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Hydraulics and Pneumatics MCQ

What does the acronym "NO" refer to in fluid power?

Normally-Open

Normally-Operational

Normally-Closed

Normally-Functional

Answer

Correct Answer: Normally-Open

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What is the state of the output when it is normally open?

PRESS

TOGGLE

OFF

Answer

Correct Answer: ON

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What is the state of output or valve when it is normally closed?

Opaque

OFF

External influence needed

Answer

Correct Answer: OFF

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What is the state of the output or switch when it is Normally-Open?

Fluctuating

ON (passing current)

OFF (not passing current)

Influenced by an external force

Answer

Correct Answer: OFF (not passing current)

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What is the state of the output or switch when it is Normally-Closed?

Open

OFF

Short

Answer

Correct Answer: ON

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Normally-Closed is defined as what?

The state of the output or switch is OFF (not passing current) with no external influence.

The state of the output or switch is ON (passing current) with external influence.

The state of the output or switch is ON (passing current) with no external influence.

The state of the output or switch is OFF (not passing current) with external influence.

Answer

Correct Answer: The state of the output or switch is ON (passing current) with no external influence.

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What is the output of a NOR device if all control signals assume the logical 0 state?

Logical 0 state

The output is undefined

NOR device does not have an output

Logical 1 state

Answer

Correct Answer: Logical 1 state

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What is a non-threaded exhaust port?

A term applied to something other than exhaust ports.

An exhaust port without internal threads to prevent connection.

AThreaded exhaust port.

An exhaust port with internal threads to prevent connection.

Answer

Correct Answer: An exhaust port without internal threads to prevent connection.

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What is the term applied to exhaust ports without internal threads to prevent connection?

Wrapped

Non-Threaded

Threaded

Fastened

Answer

Correct Answer: Non-Threaded

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What is the unit of kinematic viscosity in the English system?

Meter per second

Second Newton

Pascal second

Newt

Answer

Correct Answer: Newt

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What is the typical flow rate for a needle valve?

No flow

Reverse flow

Low flow rates

High flow rates

Answer

Correct Answer: Low flow rates

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What is the primary use of a needle valve?

To allow for manual operation

Precise regulation of flow

To allow for high flow rates

On/Off control of flow

Answer

Correct Answer: Precise regulation of flow

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What is a muffler?

A device for reducing car emissions

A device for reducing gas flow noise

A device to make your car go slower

A device to make your car go faster

Answer

Correct Answer: A device for reducing gas flow noise

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What does the term "Momentary" mean in relation to electronics?

Having no beginning or end

Continuing for an indefinitely long period of time

Not fixed or definite

The design intention of a device to return to the normal punctuated state after the operator force is removed.

Answer

Correct Answer: The design intention of a device to return to the normal punctuated state after the operator force is removed.

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What does "momentary" mean?

A device that is never in the normal punctuated state.

A device that does not return to the normal punctuated state after the operator force is removed.

A device that returns to the normal punctuated state after the operator force is removed.

A device that is always in the normal punctuated state.

Answer

Correct Answer: A device that returns to the normal punctuated state after the operator force is removed.

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What is the definition of "Memory"?

The tendency of a material to return to its original shape after deformation.

The ability to imagine things

The ability to remember things

The ability to forget things

Answer

Correct Answer: The tendency of a material to return to its original shape after deformation.

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What is Memory?

The ability to remember information

The ability to store information

Tendency of a material to return to original shape after deformation.

The ability to forget information

Answer

Correct Answer: Tendency of a material to return to original shape after deformation.

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What is the maximum inlet pressure?

The minimum regulated gauge pressure

The maximum outlet pressure.

The maximum regulated gauge pressure

The maximum rated gauge pressure applied to the inlet port of the regulator.

Answer

Correct Answer: The maximum rated gauge pressure applied to the inlet port of the regulator.

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What is a Manifold Block?

A manifold that is open to the atmosphere and returns fluid to the reservoir.

A measure of an engine's power and efficiency.

A device that improves engine performance by mixing the correct amount of fuel and air.

A type of engine block made from cast iron.

Answer

Correct Answer: A manifold that is open to the atmosphere and returns fluid to the reservoir.

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What is a manifold?

A pneumatic machine.

A device that measures pressure.

A machine that multiplies force.

A conductor that provides multiple connection ports.

Answer

Correct Answer: A conductor that provides multiple connection ports.

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What does a lubricator do?

A device that removes controlled or metered amounts of lubricants from a fluid power system.

A device that adds controlled or metered amounts of lubricants into a fluid power system.

A device that measures the amount of lubricants in a fluid power system.

A device that regulates the amount of lubricants in a fluid power system.

Answer

Correct Answer: A device that adds controlled or metered amounts of lubricants into a fluid power system.

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What is a working line?

A line drawn on a map

A line that conducts fluid power.

A line of people waiting

A line of code

Answer

Correct Answer: A line that conducts fluid power.

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What is a Line, Return?

A device to measure the rate of flow of a fluid

A device to control the flow of a fluid

A pipe (conductor) to return the working fluid to the reservoir.

A pipe (conductor) to conduct the working fluid to the reservoir

Answer

Correct Answer: A pipe (conductor) to return the working fluid to the reservoir.

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What is a line?

The highest stage of development.

A tube, pipe or hose for conducting fluid.

A geometric figure with infinite length and zero width.

An arrangement of people or things one after another.

Answer

Correct Answer: A tube, pipe or hose for conducting fluid.

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What is a joint connecting lines which have relative operational rotation called?

Cardan

Ball-and-socket

Joint

Rotary

Answer

Correct Answer: Rotary

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What is a joint?

A line positioning connector

A type of muscle

A type of fastener

A type of bird

Answer

Correct Answer: A line positioning connector

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What is the modern form of the Ideal Gas Law equation?

Requires a catalyst

Is only valid for solids

Depends on the type of gas

Relates pressure, volume, and temperature

Answer

Correct Answer: Relates pressure, volume, and temperature

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What is the temperature used in the equation of state?

Celsius

Fahrenheit

Joules

Kelvin (SI) or Rankin (Imperial)

Answer

Correct Answer: Kelvin (SI) or Rankin (Imperial)

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What is a heat exchanger?

A device that transfer heat through a conducting wall from one solid to another.

A device that transfers heat through a conducting wall from one fluid to another.

A device that transfers cold through a conducting wall from one fluid to another.

A device that transfers heat through a non-conducting wall from one fluid to another.

Answer

Correct Answer: A device that transfers heat through a conducting wall from one fluid to another.

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What is impedance?

Imaginary ration of pressure drop and transient mass flow in which pressure drop leads flow.

The ratio of voltage to current

Speed of light in a vacuum

The maximum displacement of a medium from its rest position

Answer

Correct Answer: Imaginary ration of pressure drop and transient mass flow in which pressure drop leads flow.

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What is an inhibitor?

A contagious disease that is caused by a virus

A substance which, when present in small proportions, slows, prevents or modifies chemical reactions.

A substance which destroys or interferes with the normal structure or function of cells

A thin sheet of metal or plastic

Answer

Correct Answer: A substance which, when present in small proportions, slows, prevents or modifies chemical reactions.

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What is the combination of hydraulic and pneumatic fluid power called?

Pneumatic Power

Hydro Pneumatics

Hydro Power

Hydraulic Power

Answer

Correct Answer: Hydro Pneumatics

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What is the meaning of Hydro Pneumatics?

Pertaining to the study of air

Pertaining to the study of the earth's crust

Pertaining to the study of water

Pertaining to the combination of hydraulic and pneumatic fluid power.

Answer

Correct Answer: Pertaining to the combination of hydraulic and pneumatic fluid power.

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What is the nominal size of a hose?

The width

The length

The inside diameter

The outside diameter

Answer

Correct Answer: The inside diameter

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What does a pressure gauge measure?

Density

Volume

Pressure

Temperature

Answer

Correct Answer: Pressure

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What does a pressure gauge indicate?

The pressure in the system to which it is connected.

The speed of the liquid in the system to which it is connected.

The temperature in the system to which it is connected.

The level of liquid in the system to which it is connected.

Answer

Correct Answer: The pressure in the system to which it is connected.

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What is the sensing element in a Gauge?

Balance wheel

Mainspring

Hairspring

Dial

Answer

Correct Answer: Dial

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What is the name of the sensing element in a gauge?

Gasket

O-ring

Diaphragm

Diode

Answer

Correct Answer: Diaphragm

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What is the purpose of a Gauge Damper?

To measure the pressure of the fluid

To prevent damage to the gauge mechanism caused by rapid fluctuations of fluid pressure

To allow fluid to flow through the pipeline

To restrict the flow of fluid

Answer

Correct Answer: To prevent damage to the gauge mechanism caused by rapid fluctuations of fluid pressure

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What is the definition of a Gauge?

The degree of hardness of a material

A unit of length in the imperial and US customary systems, equal to 0.0001 inch (0.00254 cm).

An instrument or device for measuring, indicating, or comparing a physical characteristic.

The pressure, vacuum, or electrical potential difference between two points in a system

Answer

Correct Answer: An instrument or device for measuring, indicating, or comparing a physical characteristic.

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What is the purpose of the Flow Characteristic Curve?

To show the change in unregulated pressure that occurs when the rate of airflow changes

To show the change in unregulated pressure that occurs when the temperature changes

To show the change in regulated pressure that occurs when the rate of airflow changes

To show the change in regulated pressure that occurs when the temperature changes

Answer

Correct Answer: To show the change in regulated pressure that occurs when the rate of airflow changes

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What is flow?

Movement of air or gas generated by pressure differences.

Aaudibleangular

The act of flowing or streaming

Liquid moving through a narrow opening

Answer

Correct Answer: Movement of air or gas generated by pressure differences.

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What is a digital component or circuit with two stable states and sufficient hysteresis so that it has "memory" called?

Flip Flop

Latches

Memory Chip

Answer

Correct Answer: Flip Flop

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What is the Flash Point?

The temperature at which a liquid will freeze.

The temperature at which a liquid will boil.

The temperature at which a liquid can form a mixture with air that can be ignited by a flame.

The temperature at which a liquid will ignite.

Answer

Correct Answer: The temperature at which a liquid can form a mixture with air that can be ignited by a flame.

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What is the meaning of "Flared"?

The tube is bent outward.

To increase the diameter of the tube.

A shape of a tube.

A pre-formed flare at the end of the tube.

Answer

Correct Answer: A pre-formed flare at the end of the tube.

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What is a flared fitting?

A fitting that seals and grips by a pre-formed flare at the end of the tube.

A device used to control or regulate the flow of a fluid

A short, tight-fitting sleeve

A garment that is too small or tight

Answer

Correct Answer: A fitting that seals and grips by a pre-formed flare at the end of the tube.

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What is a Flange?

A type of door hinge

A device for measuring or controlling flow

A fitting that utilizes a radially extending collar for sealing and connection.

A short, tight sleeve

Answer

Correct Answer: A fitting that utilizes a radially extending collar for sealing and connection.

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What is a compression fitting?

A fitting that is comfortable

A fitting that is too loose

A fitting that seals and grips by manual lines and passages.

A fitting that is too tight

Answer

Correct Answer: A fitting that seals and grips by manual lines and passages.

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What is a fitting?

A fitting is a device that seals and grips by automatic lines and passages.

A fitting is a device that seals and grips by electric lines and passages.

A fitting is a device that seals and grips by manual lines and passages.

A fitting is a device that cuts and measures by manual lines and passages.

Answer

Correct Answer: A fitting is a device that seals and grips by manual lines and passages.

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What does the word "pneumatic" mean?

Made of metal

Relating to air or other gases

Made of glass

Powerful and fast

Answer

Correct Answer: Relating to air or other gases

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What are pneumatic fittings?

Air-filled tires

A type of workwear

Machines that use air to create force

Connectors or closures for pneumatic lines and passages

Answer

Correct Answer: Connectors or closures for pneumatic lines and passages

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What is the purpose of a By-Pass filter?

To trap contaminants and prevent them from entering the engine.

To provide an alternative unfiltered flow path around the filter element when a pre-set differential pressure is reached.

To monitor and regulate fuel flow.

To remove water and particulates from the fuel.

Answer

Correct Answer: To provide an alternative unfiltered flow path around the filter element when a pre-set differential pressure is reached.

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What is the primary function of a filter?

The addition of chemically inert, finely divided material to the elastomer to aid in process and improve physical properties.

The removal by porous media of insoluble contaminants from a liquid or a gas.

Answer

Correct Answer: The removal by porous media of insoluble contaminants from a liquid or a gas.

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What does a durometer measure?

The hardness of rubber.

The weight of rubber.

Numerical scale of rubber hardness.

The density of rubber.

Answer

Correct Answer: Numerical scale of rubber hardness.

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What is the definition of "Droop"?

The state of being droopy

The act of allowing a medium to fall

A sudden loss of energy

The deviation for reducing the moisture content of the working medium.

Answer

Correct Answer: The deviation for reducing the moisture content of the working medium.

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What is a diverter valve?

A device whose power source at one input port is diverted to one of two or more output ports.

A device that prevents liquid from flowing through a pipe

A device that increases the pressure of a liquid

A device that measures the amount of liquid flowing through a pipe

Answer

Correct Answer: A device whose power source at one input port is diverted to one of two or more output ports.

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What is dither?

A periodic signal with no defined frequency

A high amplitude, relatively low frequency signal

A low amplitude, relatively high frequency periodic electrical signal

A signal with no amplitude

Answer

Correct Answer: A low amplitude, relatively high frequency periodic electrical signal

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What is Volumetric Displacement?

The change in the speed of an object

Volume absorbed or displaced per stroke of a cylinder or per cycle of a pump or motor.

The change in the position of an object

The amount of three-dimensional space occupied by an object

Answer

Correct Answer: Volume absorbed or displaced per stroke of a cylinder or per cycle of a pump or motor.

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What is the temperature at which vapors in the gas condense?

Celsius

Dew Point

Fahrenheit

Kelvin

Answer

Correct Answer: Dew Point

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What is the design intention of a device to maintain the state of its last actuation after the operator force is removed?

To keep the device in the same state as the last actuation

To turn the device off after the operator force is removed

To have the device act according to the operator's will

To turn the device on after the operator force is removed

Answer

Correct Answer: To keep the device in the same state as the last actuation

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What does "detented" mean?

Maintained

Activated

Deactivated

Released

Answer

Correct Answer: Maintained

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What is a desiccant?

A type of air compressor

A material that tends to remove moisture from compressed air.

A device used to measure air pressure.

A tool used to compress air

Answer

Correct Answer: A material that tends to remove moisture from compressed air.

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What is the primary function of a conductor?

Convert energy into sound waves.

Contain and direct fluid.

To store electrical energy.

Allow current to flow through it.

Answer

Correct Answer: Contain and direct fluid.

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What does a conductor do?

Store fluid

Transmit electricity

Generate electricity

Direct fluid

Answer

Correct Answer: Direct fluid

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What is the process of changing a vapor into a liquid condensate by the extraction of heat?

Sublimation

Evaporation

Condensation

Deposition

Answer

Correct Answer: Condensation

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What is a compressor?

A device that converts mechanical force and motion into pneumatic fluid power.

A device that increases the pressure of a gas

A device used to create negative pressure

A device that uses mechanical energy to create compressed air

Answer

Correct Answer: A device that converts mechanical force and motion into pneumatic fluid power.

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What is compressibility?

The change in temperature of a unit volume of a fluid when subjected to a unit change in pressure.

The change in pressure of a unit volume of a fluid when subjected to a unit change in volume.

The change in density of a unit volume of a fluid when subjected to a unit change in pressure.

The change in volume of a unit volume of a fluid when subjected to a unit change in pressure.

Answer

Correct Answer: The change in volume of a unit volume of a fluid when subjected to a unit change in pressure.

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What is the Compression Set?

The amount by which a rubber specimen returns to its original shape after release of the compressive load.

The amount by which a rubber specimen fails to return to original shape after release of the compressive load.

The amount by which a rubber specimen returns to its original shape after application of the compressive load.

The amount by which a rubber specimen fails to return to original shape after application of the compressive load.

Answer

Correct Answer: The amount by which a rubber specimen fails to return to original shape after release of the compressive load.

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What is a circuit that established the order in which two or more phases of a circuit occur?

Sequential circuit

Digital circuit

Parallel circuit

Logic gate

Answer

Correct Answer: Sequential circuit

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What does the acronym "MET" stand for in "Metered-Out"?

Metered-Out

Meter Out

Minimum Efficiency Technologies

Maximum Efficiency Turbine

Answer

Correct Answer: Metered-Out

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What does the term "Metered-In" mean in the context of the definition?

The supply flow to the actuator is regulated

The actuator is powered by a meter

The speed of the circuit is measured

The term is undefined

Answer

Correct Answer: The supply flow to the actuator is regulated

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What happens to the volume of a fixed mass of gas when the absolute temperature decreases?

The volume increases

The volume decreases

The volume stays the same

The pressure decreases

Answer

Correct Answer: The volume decreases

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What is Charles' Law?

The volume of a fixed mass of gas varies directly with the pressure, provided the temperature remains constant.

The volume of a fixed mass of gas varies inversely with absolute temperature, provided the pressure remains constant.

The volume of a fixed mass of gas varies directly with absolute temperature, provided the pressure remains constant.

Answer

Correct Answer: The volume of a fixed mass of gas varies directly with absolute temperature, provided the pressure remains constant.

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What is cavitation?

The freezing of a liquid

The formation of foam in aqueous solutions

A localized gaseous condition within a liquid stream that occurs where the pressure is reduced to the vapor pressure.

The breakdown of a liquid into its component molecules

Answer

Correct Answer: A localized gaseous condition within a liquid stream that occurs where the pressure is reduced to the vapor pressure.

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What is the measure of resistance to compressibility of a fluid?

Density

Viscosity

Volume

Bulk Modulus

Answer

Correct Answer: Bulk Modulus

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What is bulk modulus?

The compressibility of a fluid

The resistance of a fluid to shearing

The measure of resistance to compressibility of a fluid.

The amount of fluid a container can hold

Answer

Correct Answer: The measure of resistance to compressibility of a fluid.

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What is breathing capacity?

The process of drawing air into the lungs and then expelling it.

The ability of blood to carry oxygen to cells.

The amount of oxygen in the air.

A measure of flow rate through an air breather.

Answer

Correct Answer: A measure of flow rate through an air breather.

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What is Breathing Capacity a measure of?

Flow rate through an air breather

The maximum amount of air that can be breathed in

The ability to take deep breaths

The amount of oxygen that can be dissolved in blood

Answer

Correct Answer: Flow rate through an air breather

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What is the meaning of "breakout"?

The force necessary to inaugurate sliding.

The force necessary to stop sliding.

The force necessary to keep an object in motion.

The force necessary to increase the speed of an object.

Answer

Correct Answer: The force necessary to inaugurate sliding.

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What is the definition of "breakout?"

Breakout is when something goes wrong

Breakout is a board game

Force necessary to inaugurate sliding

Breakout is when you escape from prison

Answer

Correct Answer: Force necessary to inaugurate sliding

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Boyle's Law states that the pressure of a fixed mass of gas:

Varies inversely as the volume

Varies directly as the temperature

Varies inversely as the temperature

Varies directly as the volume

Answer

Correct Answer: Varies inversely as the volume

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The absolute pressure of a fixed mass of gas varies inversely as what?

The mass

The amount of gas

The volume

The temperature

Answer

Correct Answer: The volume

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What is a bleed orifice?

A placement that helps to direct pressure

A small hole that helps the valve to open or close using the line pressure

A machine that helps to create pressure

A device that helps to measure pressure

Answer

Correct Answer: A small hole that helps the valve to open or close using the line pressure

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Bernoulli's Law applies to ____________.

An object in motion

A flowing friction-filled liquid

A flowing frictionless liquid

A static liquid

Answer

Correct Answer: A flowing frictionless liquid

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What is the name of the gas law that states that equal volumes of all gases contain the same number of molecules?

Avogadro's Law

Charles's Law

Newton's Law

Boyle's Law

Answer

Correct Answer: Avogadro's Law

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What is the ratio between the outlet pressure and the inlet (control) pressure?

Pitch

Amplification

Decibels

Volume

Answer

Correct Answer: Amplification

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What is the ratio between the output power variation and the corresponding input (control) power variation called?

Voltage

Capacitance

Amplification

Power

Answer

Correct Answer: Amplification

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What does AP stands for?

Absolute Power

Amplitude Power

Amplification, Power

Average Power

Answer

Correct Answer: Amplification, Power

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What is the term for the ratio between the output signal variations and the control signal variations for analog devices only?

Modulation

Feedback

Amplification

Decibels (dB)

Answer

Correct Answer: Amplification

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What does an air motor do?

Converts pneumatic power into mechanical force and motion

Converts solar power into mechanical force and motion

Stores pneumatic power

Converts electrical power into mechanical force and motion

Answer

Correct Answer: Converts pneumatic power into mechanical force and motion

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What is the meaning of "air breather"?

A person who is extremely passionate about air

A device permitting air movement between atmosphere and the component in which it is installed

An individual who only breathes air

A machine that produces air

Answer

Correct Answer: A device permitting air movement between atmosphere and the component in which it is installed

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What does an air breather do?

Increases the oxygen content in the air

Purifies the air in a room

Permits air movement between atmosphere and the component in which it is installed

Equalizes air pressure

Answer

Correct Answer: Permits air movement between atmosphere and the component in which it is installed

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What is an air bleeder?

A device for the removal of air.

A device for the regulation of air.

A device for the addition of air

A device for the measurement of air

Answer

Correct Answer: A device for the removal of air.

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What does an air bleeder do?

Moves air

Removes air

Creates air

Stores air

Answer

Correct Answer: Removes air

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What is air mainly composed of?

Nitrogen, oxygen

Nitrogen, oxygen, argon, carbon dioxide, hydrogen, water vapour, dust particles, pollen

Water vapour, dust particles, pollen

Nitrogen, oxygen, argon, carbon dioxide, hydrogen

Answer

Correct Answer: Nitrogen, oxygen, argon, carbon dioxide, hydrogen

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What is the standard temperature of "standard air" in gas industries?

32.0° F

60.8° F

75.0° F

68.8° F

Answer

Correct Answer: 60.8° F

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What is the dew point of Saturated Air?

0°C

Lower than the temperature

Higher than the temperature

Equal to the temperature

Answer

Correct Answer: Equal to the temperature

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What is air at 100% relative humidity with a dew point equal to temperature called?

Unsaturated

Saturated

Humid

Supersaturated

Answer

Correct Answer: Saturated

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What is the legal definition of "air?"

Air at ambient temperature, pressure, relative humidity and density.

A colorless, odorless, tasteless gas

Any mixture of nitrogen, oxygen, and other gases

An Invisible gaseous substance

Answer

Correct Answer: Air at ambient temperature, pressure, relative humidity and density.

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What is air with moisture content lower than the maximum allowed for a given application?

Moist air

Humid air

Dried air

Wet air

Answer

Correct Answer: Dried air

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What does the term "air dried" mean?

Air that has been heated

Air with a high moisture content

Air with moisture content lower than the maximum allowed for a given application.

Air that has been cooled

Answer

Correct Answer: Air with moisture content lower than the maximum allowed for a given application.

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What is air at any pressure greater than atmosphere called?

Compressed air

Decompressed air

Compressed

Air

Answer

Correct Answer: Compressed air

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What does air at any pressure greater than atmosphere mean?

Air, Uncompressed (pressure)

Air, Composed of Oxygen and Nitrogen

Air, a Mixture of Gases

Air, Compressed (pressure)

Answer

Correct Answer: Air, Compressed (pressure)

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What is an air motor?

A device that converts pneumatic fluid power into mechanical torque and motion

A device that uses compressed air to drive a piston

A device that generates electrical energy from air pressure

A device that uses air pressure to create mechanical motion

Answer

Correct Answer: A device that converts pneumatic fluid power into mechanical torque and motion

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What is the meaning of "additive"?

Something that is added

A chemical added to fluid to impart new properties or to enhance those that already exist.

The act of adding two or more things

A device used to add things together

Answer

Correct Answer: A chemical added to fluid to impart new properties or to enhance those that already exist.

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A device in which power is transferred from one pressurized medium to another without intensification is called?

Indicator

Actuator

Amplifier

Transmitter

Answer

Correct Answer: Actuator

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What is an actuator?

A device that changes the pressure

A device in which power is transferred from one pressurized medium to another without intensification.

A device that increases pressure

A device that decreases pressure

Answer

Correct Answer: A device in which power is transferred from one pressurized medium to another without intensification.

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What is an active device?

A device that does not require a power supply

A device with no inputs

A device that has an input(s) that controls a power supply to the device.

A device with only outputs

Answer

Correct Answer: A device that has an input(s) that controls a power supply to the device.

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What is the modulus of elasticity for acetal plastic?

Medium

Low

Negative

High

Answer

Correct Answer: High

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What is a Hydro pneumatic accumulator?

A device in which the Liquid and gas are not separated by an elastic bag or bladder.

A device in which the liquid and gas are separated by an inelastic bag or bladder.

A device in which the liquid and gas are separated by an permeable bag or bladder.

A device in which the liquid and gas are separated by an elastic bag or bladder.

Answer

Correct Answer: A device in which the liquid and gas are separated by an elastic bag or bladder.

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What is an accumulator?

A device for storing electrical energy

A container in which fluid is stored under pressure as a source of fluid power.

A device used to measure the quantity of heat

A device that increases the voltage of an alternating current

Answer

Correct Answer: A container in which fluid is stored under pressure as a source of fluid power.

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More Applied Engineering Subjects

Advanced Electrical/Mechanical Systems

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Design & Analysis of Control Systems

Electrical Systems

Engineering Computation

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Foundations of Engineering

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