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Advanced Electrical/Mechanical Systems MCQ

Define 'zone'.

A group of people

An area of high danger

A specific area of protection; a portion of a large protected area.

A way of life

Answer

Correct Answer: A specific area of protection; a portion of a large protected area.

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What is the common unit of electrical power?

Watt

Tesla

Joule

Farad

Answer

Correct Answer: Watt

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What is the product of rated input voltage multiplied by the rated current called?

Energy (J) Rating

Capacity (C) Rating

Volt/Amp (VA) Rating

Power (W) Rating

Answer

Correct Answer: Volt/Amp (VA) Rating

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What causes voltage drop?

(1) current and (2) resistance

(2) length of wire runs

(1) wire size and (2) length of wire runs

(1) wire size

Answer

Correct Answer: (1) wire size and (2) length of wire runs

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What two factors cause voltage drop?

Direction of current

Type of insulation

Number of devices on circuit

Wire size and length of wire runs

Answer

Correct Answer: Wire size and length of wire runs

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What is the term for electrical pressure that exists between two points?

Voltage

Current

Voltage drop

Potential difference

Answer

Correct Answer: Voltage

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What is a Volt?

A unit of measure

A unit of electromotive force.

A unit of weight

A unit of currency

Answer

Correct Answer: A unit of electromotive force.

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What does Underwriters Laboratories do?

Product safety testing and certification

Fireworks testing and certification

Food testing and certification

Environmental testing and certification

Answer

Correct Answer: Product safety testing and certification

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What does U.L. stand for?

Union of Leaders

Underwriters Laboratories

Uniform Learning

Unite for Life

Answer

Correct Answer: Underwriters Laboratories

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What is a Time-Delay Relay?

A device that allows two people to communicate over long distances.

A relay for automatically locking or unlocking a locking unit after a short, fixed time interval.

A device that helps people tell time.

A device that slows down the flow of time.

Answer

Correct Answer: A relay for automatically locking or unlocking a locking unit after a short, fixed time interval.

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What does time delay do?

Delay transmitting a signal

Amplify a signal

Stop a signal

Send a signal

Answer

Correct Answer: Delay transmitting a signal

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What is the throw of a Deadbolt or Latch Bolt?

The amount of time needed for a Deadbolt or Latch Bolt to fully project.

The maximum projection of a deadbolt or latch bolt when the bolt is fully projected.

The size of a Deadbolt or Latch Bolt.

The amount of torque needed to turn a Deadbolt or Latch Bolt.

Answer

Correct Answer: The maximum projection of a deadbolt or latch bolt when the bolt is fully projected.

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What does a terminal attach to?

Electrical outlet

Conductor

Board, bus, or block

Fuse

Answer

Correct Answer: Board, bus, or block

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What is the primary purpose of a terminal?

To be attached to a board

To handle one or more conductors

To terminate a circuit

To be clipped on

Answer

Correct Answer: To handle one or more conductors

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What is the purpose of a terminal block?

To provide a place for safe and convenient disconnection of current-carrying conductors.

To provide a place for safe and convenient disposal of current-carrying conductors.

To provide a place for safe and convenient interconnection of current-carrying conductors.

To provide a place for safe and convenient storage of current-carrying conductors.

Answer

Correct Answer: To provide a place for safe and convenient interconnection of current-carrying conductors.

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What does the word "Shall" indicate?

A voluntary action

An ability to do something

A polite suggestion

A mandatory requirement

Answer

Correct Answer: A mandatory requirement

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In a series circuit, _______.

The same current flows through each part of the circuit in sequence

The voltage is the same across each part of the circuit

The current is the same across each part of the circuit

The resistance is the same across each part of the circuit

Answer

Correct Answer: The same current flows through each part of the circuit in sequence

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In a series circuit, _______ flows through each part of the circuit in sequence.

The same current

A different current

Variable current

No current

Answer

Correct Answer: The same current

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What is the name given to doors that return to the closed position when opened and released?

Automatic Doors

Spring Doors

Sliding Doors

Self-Closing Doors

Answer

Correct Answer: Self-Closing Doors

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What is the purpose of a self-closing door?

To open and close by itself

To return to the closed position

To remain open

To close by itself

Answer

Correct Answer: To return to the closed position

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What is the secondary?

The power sent from the primary to the secondary

Transformer winding that inducts energy into the primary

Transformer winding that receives energy by electromagnetic induction from the primary

The primary

Answer

Correct Answer: Transformer winding that receives energy by electromagnetic induction from the primary

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In a transformer, the secondary winding:

Is wound with fewer turns than the primary winding

Supplies energy to the primary winding

Is larger in diameter than the primary winding

Receives energy by electromagnetic induction from the primary

Answer

Correct Answer: Receives energy by electromagnetic induction from the primary

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What does Secured Side refer to?

The side of an opening that is locked and requires a key, card, code, etc. to enter.

The area around an opening that is locked and requires a key, card, code, etc. to enter.

The area around an opening that is locked and does not require a key, card, code, etc. to enter.

The side of an opening that is unlocked and does not require a key, card, code, etc. to enter.

Answer

Correct Answer: The side of an opening that is locked and requires a key, card, code, etc. to enter.

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What does "Reset Time" refer to?

The time required to return the input to its original condition.

The time required to return the output to its original condition.

The time required to turn the power off and on again.

The time required to return the power to its original condition.

Answer

Correct Answer: The time required to return the output to its original condition.

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What is a regulated power supply?

A power supply that provides an output that varies with input current.

A power supply that provides a constant output regardless of input voltage.

A power supply that provides a constant output regardless of input current.

A power supply that provides an output that varies with input voltage.

Answer

Correct Answer: A power supply that provides a constant output regardless of input voltage.

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What does a rectifier do?

Uses electrical current

Converts alternating current to direct current

Stores electrical current

Creates electrical current

Answer

Correct Answer: Converts alternating current to direct current

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What does reactance measure?

Opposition offered to the flow of direct current

The quantity of a component or circuit

Opposition offered to the flow of alternating current by inductance (xl) or capacitance (xc)

The amount of current in a circuit

Answer

Correct Answer: Opposition offered to the flow of alternating current by inductance (xl) or capacitance (xc)

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What is the maximum voltage at which an electric component can operate for extended period, without undue degradation or safety hazard?

Rated Voltage

Maximum Operating Voltage

Safe Voltage

Volunteer voltage

Answer

Correct Answer: Rated Voltage

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What is the primary winding in a transformer?

The part of the transformer that transforms the energy from DC to AC.

The transformer winding that receives the energy from a supply circuit.

The part of the transformer that transforms the energy from AC to DC.

The transformer winding that provides energy to the load circuit.

Answer

Correct Answer: The transformer winding that receives the energy from a supply circuit.

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What is the main feature of power operated doors?

They are used in homes.

They are opened and closed manually.

They are made of metal.

They are opened and closed electrically, pneumatically, or mechanically.

Answer

Correct Answer: They are opened and closed electrically, pneumatically, or mechanically.

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What is the definition of polarity?

The positive or negative orientation of a signal or power source.

The absolute value of a complex number

A quantity that expresses the degree of deviation of a physical quantity from its standard value

A measure of how much a substance dissolves in another

Answer

Correct Answer: The positive or negative orientation of a signal or power source.

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What is the definition of parallel?

None of the above.

The addition of all voltages through each element equals the total voltage of the circuit.

A method of connecting an electric circuit in series.

A method of connecting an electric circuit whereby each element is connected across the other.

Answer

Correct Answer: A method of connecting an electric circuit whereby each element is connected across the other.

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What does "Non-fire labeled devices for swinging doors installed to facilitate safe egress of persons" mean?

Fire Exit Hardware

Panic Exit Hardware

Anti-theft Hardware

Emergency Exit Hardware

Answer

Correct Answer: Panic Exit Hardware

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What is the purpose of panic exit hardware?

To facilitate safe egress of persons in case of an emergency

To increase the security of a building

To New York City

To provide a way to enter a building

Answer

Correct Answer: To facilitate safe egress of persons in case of an emergency

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What is the output voltage?

The amount of current flowing through a conductor

The rate at which energy is transformed, transferred, or used

The work done per unit time on a load by a DC electrical source

The designed power source produced by a power supply to operate equipment.

Answer

Correct Answer: The designed power source produced by a power supply to operate equipment.

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What is the meaning of Operating Voltage?

The voltage range for a system to operate

A specified voltage that a system can operate

The design voltage range necessary to remain within the operating tolerances

The voltage by which a system operates; a nominal voltage with a specified tolerance applied

Answer

Correct Answer: The voltage by which a system operates; a nominal voltage with a specified tolerance applied

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What is the design voltage range for a system specified 12 volts +/- 10% of nominal?

9 to 15 volts DC

10.8 to 13.2 volts DC

8.4 to 14.6 volts DC

10 to 16 volts DC

Answer

Correct Answer: 10.8 to 13.2 volts DC

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What is the unit of measurement for an operating temperature?

Kelvin (K)

Degree day (DD)

Degree hour (DH)

Degrees Fahrenheit (F) or degrees centigrade (C)

Answer

Correct Answer: Degrees Fahrenheit (F) or degrees centigrade (C)

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What is the relationship between voltage, current and resistance according to Ohm's Law?

E = 2IR; I = 2E/R; R = 2E/I

E = IR; I = E/R; R = E/I

Answer

Correct Answer: E = IR; I = E/R; R = E/I

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What is the value of voltage when the current is 1A and resistance is 1Ω?

1.5V

0.5V

Answer

Correct Answer: 1V

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What does the unit "ohm" measure?

Voltage

Resistance (R) and impedance (Z).

Current

Electricity

Answer

Correct Answer: Resistance (R) and impedance (Z).

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What is the purpose for which a building or portion thereof is used or intended to be used?

Use

What it is used for

Its use

Occupancy

Answer

Correct Answer: Occupancy

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What does NC stands for in a circuit?

Normally Closed

No Connection

National Company

Negative Charge

Answer

Correct Answer: Normally Closed

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What is noise?

A desired signal

A component of a signal

Unwanted and/or unintelligible signals picked up on a cable circuit.

A type of energy

Answer

Correct Answer: Unwanted and/or unintelligible signals picked up on a cable circuit.

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What is NEMA?

National Electrical Manufacturers Association

National Engineering for Manufacturing Association

National Education for Manufacturing Association

National Enterprise for Manufacturing Association

Answer

Correct Answer: National Electrical Manufacturers Association

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What is NFPA's premier source?

Development, publication and dissemination of knowledge about fire.

Development, publication and dissemination of knowledge about life safety.

Development and publication of knowledge about fire and life safety.

Development, publication and dissemination of knowledge about fire and life safety.

Answer

Correct Answer: Development, publication and dissemination of knowledge about fire and life safety.

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What does NEC stand for?

National Environmental Code

National Electrical Code

National Energy Conservation

National Electronic Code

Answer

Correct Answer: National Electrical Code

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What is a momentary switch?

A spring-loaded contact that, when pressed, closes two contacts. When pressure is removed, the contacts open.

A contact that, when pressed, closes two contacts. When pressure is removed, the contacts open.

A spring-loaded contact that, when pressed, closes two contacts. When pressure is removed, the contacts do not open.

A contact that, when pressed, closes two contacts. When pressure is removed, the contacts do not open.

Answer

Correct Answer: A spring-loaded contact that, when pressed, closes two contacts. When pressure is removed, the contacts open.

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What is the Mode of Operation?

A type of lock

How a door is opened

The specified operational condition of a switch, lock, door system, and so forth

A way to open a door

Answer

Correct Answer: The specified operational condition of a switch, lock, door system, and so forth

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What is the function of an MOV?

To dissipate an overvoltage

To conduct electricity

Protecting electric equipment from high-transient voltage

To store electrical energy

Answer

Correct Answer: Protecting electric equipment from high-transient voltage

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What is the main function of a Metal Oxide Varistor (MOV)?

Serve as a conductor in a circuit

Dissipate an overvoltage

Protect electric equipment from high-transient voltage

Increase the flow of current in a circuit

Answer

Correct Answer: Protect electric equipment from high-transient voltage

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What three parts does a means of egress consist of?

The exit access, the exit and the exit discharge

The entrance, the exit and the entrance discharge

The exit access, the exit and the exit path

The exit access, the exit and the entrance

Answer

Correct Answer: The exit access, the exit and the exit discharge

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What is the Maximum Rating?

The condition in which a device is not working at its best

The condition in which a device is working at its best

The condition in which a device will no longer work

The absolute maximum condition in which a device is designed to operate.

Answer

Correct Answer: The absolute maximum condition in which a device is designed to operate.

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What does the term "Listed" refer to?

Refers to a company that is traded on the stock exchange.

Equipment or materials included in a list published by an authorizing organization.

Answer

Correct Answer: Equipment or materials included in a list published by an authorizing organization.

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What does the term "Listed" mean?

Refers to a type of stock listing on a stock exchange

Refers to equipment or materials included in a list published by an authorizing organization.

Refers to a type of insurance policy

Refers to a type of warranty

Answer

Correct Answer: Refers to equipment or materials included in a list published by an authorizing organization.

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What is the full form of LED?

Light-Emitting Diode

Light-Enduring Diode

Light-Emitting Device

Light-Emitting Dopper

Answer

Correct Answer: Light-Emitting Diode

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What is a latchbolt?

A device for automatically retaining a door in the open position upon its opening

A device for automatically opening a door in the closed position upon its closing

A device for manually retaining a door in the closed position upon its closing

A device for automatically retaining a door in the closed position upon its closing

Answer

Correct Answer: A device for automatically retaining a door in the closed position upon its closing

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A latchbolt is a ____.

Device for automatically locking a door

Device for automatically opening a door

Beveled spring-loaded bolt

Device for automatically retaining a door in the closed position

Answer

Correct Answer: Device for automatically retaining a door in the closed position

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What does 'latch' mean in the context of electronic circuits?

A device for temporarily storing data

A device for controlling the voltage in a circuit

The locking in of a circuit by means of a holding contact

A device for controlling the current in a circuit

Answer

Correct Answer: The locking in of a circuit by means of a holding contact

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What is the purpose of a latch?

To lock in a circuit by means of a holding contact

To hold a circuit open

To initiate a circuit

To provide power to a circuit

Answer

Correct Answer: To lock in a circuit by means of a holding contact

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What does "AHJ" stand for in the context of labeled equipment?

AHJ does not stand for anything in this context

Authorized Hazardous Materials Joint

Authorized Hazardous Materials Jurisdiction

Authorized Hazardous Materials Judge

Answer

Correct Answer: Authorized Hazardous Materials Jurisdiction

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What is the key to operating a group of cylinders called?

Keyed different

Master key

Keyed alike

Individual key

Answer

Correct Answer: Master key

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What is a junction box?

A device for measuring resistance in a circuit.

A device for measuring current in a circuit.

A device for measuring voltage in a circuit.

A protective enclosure for connecting circuit wires.

Answer

Correct Answer: A protective enclosure for connecting circuit wires.

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What does a junction do in a circuit?

The current changes direction

Electrical energy is released

There is a drop in voltage

Two or more wires are connected

Answer

Correct Answer: Two or more wires are connected

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What is the main purpose of a jumper?

To increase the voltage in a circuit

To make a connection between terminals

To decrease the voltage in a circuit

To provide a path of least resistance in a circuit

Answer

Correct Answer: To make a connection between terminals

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What is Input Voltage?

The minimum amount of power required for a device to function

The amount of power outputted by a device

The maximum power a device can handle

The designed power source requirement needed by equipment in order to operate properly

Answer

Correct Answer: The designed power source requirement needed by equipment in order to operate properly

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What does "ingress" mean?

The side of an opening from which traffic exits.

The side of an opening from which traffic enters.

A type of traffic

A road

Answer

Correct Answer: The side of an opening from which traffic enters.

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From which side does traffic enters?

Ingress side

Traffic side

Egress side

Opposite side

Answer

Correct Answer: Ingress side

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What is induction?

A process of reasoning in which a conclusion is drawn from one or more premises

The production of an electric current in a conductor by exposure to a magnetic field

An influence exerted by a charged body or by a magnetic field on neighboring bodies without apparent communication.

The process of deriving general principles from particular facts

Answer

Correct Answer: An influence exerted by a charged body or by a magnetic field on neighboring bodies without apparent communication.

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What is an inactive leaf?

A device used to open and close a door

The second operating door of a pair.

One door of a pair of doors that ordinarily is latched closed

A device used to open and close a window

Answer

Correct Answer: One door of a pair of doors that ordinarily is latched closed

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What is the symbol for impedance?

Answer

Correct Answer: Z

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What is impedance?

The force that slows down the movement of electrons

The opposition in an electrical circuit to the flow of an alternating current (AC).

The ability to pass an electric current through a material

The measure of how forcefully electrons are pushed through a conductor

Answer

Correct Answer: The opposition in an electrical circuit to the flow of an alternating current (AC).

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What does HES stand for?

High-Efficiency Switching

Manufacturer of the best electro-mechanical access control devices in the world!

Hydroelectricity Society

Home Energy Systems

Answer

Correct Answer: Manufacturer of the best electro-mechanical access control devices in the world!

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What is the international unit of frequency equal to one cycle per second?

KHz

GHZ

MHz

Answer

Correct Answer: Hz

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What does Hz stand for?

High-frequency

Hertz

Hydroelectricity

Hectometer

Answer

Correct Answer: Hertz

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What is a heat sink used for?

To dissipate heat

To transfer heat to a specific area

To create a rise in temperature

To transfer a rise in temperature

Answer

Correct Answer: To transfer a rise in temperature

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What is a heat sink?

A device used to transfer heat to the surrounding air, liquid, or larger mass

A device used to conduct electricity

A device used to measure temperature

A device used to create heat

Answer

Correct Answer: A device used to transfer heat to the surrounding air, liquid, or larger mass

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What does the term "Hard-Wired" refer to?

A type of computer memory

Connections that require the use of wire conductors.

When a machine is turned off

Groups of people that are similar in thought

Answer

Correct Answer: Connections that require the use of wire conductors.

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What does hard-wired refer to?

Connections that only work with a specific type of phone

Connections made without a phone line

Groups of connections that require the use of wire conductors.

Wireless groups of connections

Answer

Correct Answer: Groups of connections that require the use of wire conductors.

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What does "L" in LHR (Left Hand Reverse) stand for?

Left-side Hinge

Leaf

Left Hand

Leading

Answer

Correct Answer: Left Hand

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What does "Ground" refer to in the context of electrical circuits?

The portion of a circuit that is connected to a buried metallic object.

The area around the base of a structure

The first wire in an electrical circuit

The return path for current in an electrical circuit

Answer

Correct Answer: The portion of a circuit that is connected to a buried metallic object.

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What is the purpose of an electrical ground?

To make an electrical circuit.

To provide a conducting connection between an electrical circuit and the earth.

To serve as a complete electrical circuit.

To serve as an electrical ground

Answer

Correct Answer: To serve as a complete electrical circuit.

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What is the purpose of fire exit hardware?

To prevent fire from spreading

To put out fires

To provide a way to get in and out of a building in the event of a fire

To facilitate safe egress of persons in the event of a fire

Answer

Correct Answer: To facilitate safe egress of persons in the event of a fire

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What is the main use of fire exit hardware?

To provide safe egress of persons in the event of a fire

To provide a way to lock fire doors

To provide a way to open fire doors

To provide a way to close fire doors

Answer

Correct Answer: To provide safe egress of persons in the event of a fire

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What is the purpose of a fire door assembly?

To provide access to the building

To provide a way to extinguish a fire

To provide ventilation

To provide a specific degree of fire protection to the opening

Answer

Correct Answer: To provide a specific degree of fire protection to the opening

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What is the main purpose of Finish Hardware?

To save money on hardware for a room or building

To provide functional hardware for a room or building

To provide support for a room or building

To provide a finished appearance to a room or building

Answer

Correct Answer: To provide a finished appearance to a room or building

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What is Fail Secure also known as?

Fail Safe (FS)

Non-Fail Safe (FS)

Fail Secure (FS)

Non-Fail Safe (NFS)

Answer

Correct Answer: Non-Fail Safe (NFS)

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What does "Fail Secure" mean?

Lock or locking device that remains locked on loss of power.

Lock or locking device that unlocks on loss of power.

A plan to improve security

A type of encryption

Answer

Correct Answer: Lock or locking device that remains locked on loss of power.

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What does "Fail Safe" mean?

Lock or locking device that remains unlocked on loss of power.

Device that remains locked on loss of power.

Device that becomes unlocked on loss of power.

Lock or locking device that becomes unlocked on loss of power.

Answer

Correct Answer: Lock or locking device that remains unlocked on loss of power.

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What is an emergency release?

A way to release bolt manually

A type of override

A means of overriding a lock and retracting the bolt in an emergency.

A device that is only used in extreme emergencies

Answer

Correct Answer: A means of overriding a lock and retracting the bolt in an emergency.

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What is EMF?

The force that opposes the flow of electrons in a conductor.

The force between two magnets.

The force that drives electrons around a circuit.

Pressure or voltage; the force that causes current to flow in a circuit.

Answer

Correct Answer: Pressure or voltage; the force that causes current to flow in a circuit.

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What is an electromagnet?

A coil of wire that produces a strong magnetic field when current is sent through the coil

A device used to convert between AC and DC current

A tool used to measure electric current

A device used to generate electricity

Answer

Correct Answer: A coil of wire that produces a strong magnetic field when current is sent through the coil

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What is an electric strike?

A device that uses electrical power to unlock a door

A device that uses electrical power to lock a door

An electro-mechanical door locking device that will unlock the door when electrical power is applied to it

A device that is powered by electricity

Answer

Correct Answer: An electro-mechanical door locking device that will unlock the door when electrical power is applied to it

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What does fail-safe configuration mean in the context of an electric strike?

Intermittently unlocked regardless of the application of power

Normally locked when power is applied and unlocked when power is interrupted

Unlocked when power is applied and locked when power is interrupted

Locked when power is applied and unlocked when power is interrupted

Answer

Correct Answer: Normally locked when power is applied and unlocked when power is interrupted

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What is the purpose of an egress side?

To allow light and air into a building

Traffic exits from the egress side

To provide an emergency exit

Traffic enters from the egress side

Answer

Correct Answer: Traffic exits from the egress side

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What is the definition of "Egress Side"?

A way to measure distance

The opposite of "Ingress."

The side of an opening from which traffic enters

The side of an opening from which traffic exits

Answer

Correct Answer: The side of an opening from which traffic exits

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What is a Door Closer?

A device that, where applied to a door and frame, causes an open door to open by mechanical force

A device that, where applied to a door and frame, causes an open door to close by manual force

A device that, where applied to a door and frame, causes an open door to close by mechanical force

A device that, where applied to a door and frame, causes an closed door to close by mechanical force

Answer

Correct Answer: A device that, where applied to a door and frame, causes an open door to close by mechanical force

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What is the purpose of a dogging device?

To increase friction on the door

To fasten the cross bar in the fully depressed position

To allow the door to be opened from either side

To keep the latch bolt or bolts in a retraction position

Answer

Correct Answer: To fasten the cross bar in the fully depressed position

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What is the definition of delay?

Something that slows down the progress of something

To stop something from happening

To cause something to happen at a later time

A period of time before or during an event

Answer

Correct Answer: A period of time before or during an event

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What is a deadlatch?

A device used to measure speed

A type of bomb

A latch in which the latchbolt is positively held in the projected position by an auxiliary mechanism

A device used to measure altitude

Answer

Correct Answer: A latch in which the latchbolt is positively held in the projected position by an auxiliary mechanism

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What is a deadbolt?

A bolt that cannot be forced back when locked

A bolt operated manually and not actuated by springs

A device used to hold a door open

A bolt operated by springs

Answer

Correct Answer: A bolt operated manually and not actuated by springs

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What is a circuit?

A device used to create electricity

A device that measures electrical current

A device that controls the amount of electricity in a circuit

The path through which electrical energy flows

Answer

Correct Answer: The path through which electrical energy flows

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What does 'Case' refer to in the context of locks?

A set of keys

A type of lock

The study of locks and keys

A housing for a lock mechanism

Answer

Correct Answer: A housing for a lock mechanism

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What is the cam?

A small, meandering river

A rotating eccentric piece attached to the end of a cylinder plug to actuate a lock or latch mechanism.

The peak of a hill

A device used to take photographs

Answer

Correct Answer: A rotating eccentric piece attached to the end of a cylinder plug to actuate a lock or latch mechanism.

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What does a cam do?

A cam is a device used to measure the expansion of gases.

A cam is a device used to measure pressure.

A cam actuates a lock or latch mechanism.

A cam is a device used to measure the compressibility of solids.

Answer

Correct Answer: A cam actuates a lock or latch mechanism.

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What is a coordinator?

A device used to close both leaves of the door at the same time.

A device used to open both leaves of the door at the same time.

A device used to prevent the active leaf from closing before the inactive leaf closes.

A device used to automatically close the door after a certain amount of time.

Answer

Correct Answer: A device used to prevent the active leaf from closing before the inactive leaf closes.

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What is the purpose of a coordinator?

To make it easier to open doors

To provide extra security on doors

To allow doors to close automatically

To prevent the active leaf from closing before the inactive leaf closes.

Answer

Correct Answer: To prevent the active leaf from closing before the inactive leaf closes.

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What is the purpose of a code?

A document that provides comprehensive guidance on a specific topic

A body of law

A system of rules

A set of regulations

Answer

Correct Answer: A document that provides comprehensive guidance on a specific topic

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What is the purpose of a Bolt Position Switch?

To retract the bolt

To monitor whether the locking bolt is in the locked (projected) or unlocked (retracted) position.

To turn the bolt

To project the bolt

Answer

Correct Answer: To monitor whether the locking bolt is in the locked (projected) or unlocked (retracted) position.

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What is the projectable member of a lock or latch mechanism that engages the door frame and the strike called?

Bolt

Latch

Door Frame

Strike

Answer

Correct Answer: Bolt

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What is a block diagram?

A graphical representation of an algorithm

A drawing that shows the relationship of equipment in a system.

A software tool used for debugging purpose

A technique used in managing project changes

Answer

Correct Answer: A drawing that shows the relationship of equipment in a system.

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What is the trade association for North American manufacturers of commercial builders hardware?

National Hardware Association (NHA)

American Hardware Association (AHA)

Builder’s Hardware Manufacturers Association (BHMA)

North American Hardware Association (NAHA)

Answer

Correct Answer: Builder’s Hardware Manufacturers Association (BHMA)

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What does BHMA stand for?

British Homeopathic Medical Association

Builder’s Hardware Manufacturers Association

Bureau of Health Maintenance and Operations

Business and Humanitarian Missions Abroad

Answer

Correct Answer: Builder’s Hardware Manufacturers Association

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What does "standby" mean in this context?

A means of automatically switching over to stored battery power during local primary power failure.

A device or system that is available to be used if needed

A section of a text or document that is marked or reserved for possible future use

A state in which a device or system is inactive but can be activated quickly

Answer

Correct Answer: A means of automatically switching over to stored battery power during local primary power failure.

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What does A/H stand for?

Hour

Watt

Ampere

Ampere/Hour

Answer

Correct Answer: Ampere/Hour

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What is one ampere/hour?

A measurement of a battery’s capacity

A measurement of time

A unit of measurement for electric current

A measure of power

Answer

Correct Answer: A measurement of a battery’s capacity

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What is the American National Standards Institute?

A federation of trade, technical, and professional organizations, government agencies.

The governing body for American national standards

A national trade organization for the United States

A professional organization for ballet dancers in the United States

Answer

Correct Answer: A federation of trade, technical, and professional organizations, government agencies.

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What is the full form of ANSI?

American National Standards Institute

American Normal Science Investigation

American Natural Science Investigation

American National Science Institute

Answer

Correct Answer: American National Standards Institute

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What is an actuator?

The mechanism of the switch or switch enclosure that operates the contacts.

A person who operates a machine

An electrical or electronic device

A device that measures or controls

Answer

Correct Answer: The mechanism of the switch or switch enclosure that operates the contacts.

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Which leaf is the one to which the lock is applied?

Inactive Leaf

Master Leaf

Active Leaf

Slave Leaf

Answer

Correct Answer: Active Leaf

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What is the definition of Access Control?

A system that monitors the movement of people in a building

A system that controls who can enter or exit a building

The means of influencing and regulating the flow of persons through a door (entry and/or exit).

The security measure of a building

Answer

Correct Answer: The means of influencing and regulating the flow of persons through a door (entry and/or exit).

Note: This Question is unanswered, help us to find answer for this one

More Applied Engineering Subjects

Applied Mechanics

Calculus

Circuits

Design & Analysis of Control Systems

Electrical Systems

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Engineering Materials and Processes

Foundations of Engineering

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