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Audio Visual System Design MCQ

1. What is the throw distance?

The length of the projection beam necessary for a particular projector to produce an image of an indefinite size.

The length of the projection beam necessary for a particular projector to produce an image of any size.

The length of the projection beam necessary for a particular projector to produce an image of a specified size.

The length of the projection beam necessary for a particular projector to produce an image of an indeterminate size.

Answer

Correct Answer: The length of the projection beam necessary for a particular projector to produce an image of a specified size.

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2. What is the term for the maximum force that a material can withstand before deforming or stretching?

Torsional strength

Tensile strength

Compressive strength

Shear strength

Answer

Correct Answer: Tensile strength

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3. What is tensile strength?

The minimum force that a material can withstand before deforming or stretching.

The average force that a material can withstand before deforming or stretching.

The maximum force that a material can withstand before deforming or stretching.

The median force that a material can withstand before deforming or stretching.

Answer

Correct Answer: The maximum force that a material can withstand before deforming or stretching.

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4. What is the purpose of taps on a transformer?

To allow you to select different power levels from the transformer

To reduce the transformer's size

To help the transformer to run cooler

To improve the transformer's efficiency

Answer

Correct Answer: To allow you to select different power levels from the transformer

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5. What do the taps on a transformer do?

Isolate the transformer from the power grid

Decrease the transformer's power output

Allow you to select different power levels from the transformer.

Increase the transformer's power output

Answer

Correct Answer: Allow you to select different power levels from the transformer.

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6. What is the scan rate?

The number of times per second that a display is illuminated.

The frequency of occurrence of a display drawing one line of information.

The number of times per second that a graphical image is displayed on a screen.

The number of times per second that a screen is refreshed.

Answer

Correct Answer: The frequency of occurrence of a display drawing one line of information.

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7. What is scan conversion?

The process of changing the color mode of an image.

The process of converting an image to a digital file

The process of changing the horizontal scan rate of one device to that of another.

The process of enlarging or reducing an image

Answer

Correct Answer: The process of changing the horizontal scan rate of one device to that of another.

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8. What is satellite television?

A type of cable television

Entertainment or business video and audio transmitted via a satellite.

A method of enhancing digital television

A type of 3D television

Answer

Correct Answer: Entertainment or business video and audio transmitted via a satellite.

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9. How is the digital signal created from the analog signal?

By using a high-pass filter to remove unwanted frequencies

By using a low-pass filter to smooth out the signal

By taking the average of the signal over a given time interval

Sampling rate – how many samples of the analog signal are taken in a given time interval

Answer

Correct Answer: Sampling rate – how many samples of the analog signal are taken in a given time interval

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10. What does sampling rate refer to?

How many samples of the analog signal are taken in a given time interval in creating the digital signal

The number of pixels in an image

The speed of the computer's processor

The quality of the speakers

Answer

Correct Answer: How many samples of the analog signal are taken in a given time interval in creating the digital signal

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11. What is the meaning of rarefaction?

The action of the molecules moving apart.

The decrease in the density of a fluid.

The increase in the density of a fluid.

The action of the molecules moving together.

Answer

Correct Answer: The action of the molecules moving apart.

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12. What is rarefaction?

The action of molecules moving apart.

The study of air pressure.

The action of molecules moving together.

The study of rocks.

Answer

Correct Answer: The action of molecules moving apart.

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13. What is the most common type of computer memory used by programs?

Static Random Access Memory (SRAM)

Random Access Memory (RAM)

Read Only Memory (ROM)

Dynamic Random Access Memory (DRAM)

Answer

Correct Answer: Random Access Memory (RAM)

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14. What does RAM stand for?

Random Access Memory

Random Array of Memory

Read Only Memory

Resource Allocation Manager

Answer

Correct Answer: Random Access Memory

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15. What is RFI?

Radio frequency Interference is the disturbance that affects the normal working of a radio

Tendency of a radio transmission to send other electronic signals.

All of the above.

Tendency of a radio transmission to interfere with other electronic signals.

Answer

Correct Answer: Tendency of a radio transmission to interfere with other electronic signals.

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16. What is radio frequency interference?

The tendency of a radio transmission to interfere with other electronic signals.

A strong signal in an audio system.

Radio frequency energy radiated by electrical equipment.

The interference of radio frequency energy in audio systems.

Answer

Correct Answer: The interference of radio frequency energy in audio systems.

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17. What does RF stand for?

Right front

Red fox

Radio frequency

Roasted chicken

Answer

Correct Answer: Radio frequency

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18. One rack unit equals ____ inches.

2.5

1.5

1.75

Answer

Correct Answer: 1.75

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19. One rack unit equals

1 inch

2.5 inches

1.75 inches

3.5 inches

Answer

Correct Answer: 1.75 inches

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20. What does "peaking" allow for?

To make the sound clearer

To make the sound louder

Compensation for high frequency loss in cables

To make the sound higher-pitched

Answer

Correct Answer: Compensation for high frequency loss in cables

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21. What does "peaking" mean?

The highest point of a waveform

An adjustment method that allows compensation for high frequency loss in cables.

An increase in amplitude

A sharp increase in amplitude

Answer

Correct Answer: An adjustment method that allows compensation for high frequency loss in cables.

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22. What does "peak" refer to in the context of signal strength?

The most recent level of signal strength

The lowest level of signal strength

The average level of signal strength

The highest level of signal strength

Answer

Correct Answer: The highest level of signal strength

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23. What does PDP stand for?

Plasma Display Panel

Progressive Democratic Party

Particle Density Protocol

Putin's Democratic Party

Answer

Correct Answer: Plasma Display Panel

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24. What does PAL stand for?

Positive Absolute Line

Power Amplifier Line

Phase Alternate Line

Pulse Amplifier Line

Answer

Correct Answer: Phase Alternate Line

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25. What does an oscilloscope measure?

Sound waves

Electronic signals

Water waves

Light waves

Answer

Correct Answer: Electronic signals

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26. What is an operating system?

Utility software

Application software

A platform that enables software applications to communicate with the CPU.

System software

Answer

Correct Answer: A platform that enables software applications to communicate with the CPU.

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27. What does the word "omni-directional" mean?

Only one direction

More than one direction

A specific direction

Equal sensitivity to sound from nearly all directions

Answer

Correct Answer: Equal sensitivity to sound from nearly all directions

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28. What does the term "omni-directional" mean?

A uni-directional microphone.

An omni-present microphone.

A microphone with equal sensitivity to sound from nearly all directions.

A multi-directional microphone.

Answer

Correct Answer: A microphone with equal sensitivity to sound from nearly all directions.

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29. What is the formula for Ohm's Law?

I = V/R

V = I/R

I = R/V

R = V/I

Answer

Correct Answer: I = V/R

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30. What does Ohm's law define?

The relationship between current, voltage, and resistance in an electrical circuit.

The relationship between current and voltage in an electrical circuit.

The relationship between current, voltage, and capacitance in an electrical circuit.

The relationship between voltage and resistance in an electrical circuit.

Answer

Correct Answer: The relationship between current, voltage, and resistance in an electrical circuit.

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31. The relationship of the frequencies in an octave is such that the lowest frequency is...?

Equal to the highest

Half the highest

One third of the highest

Twice the highest

Answer

Correct Answer: Half the highest

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32. What is the relationship of the frequencies in an octave?

There is no specific relationship between the frequencies.

The lowest frequency is half the highest.

The lowest frequency is a quarter of the highest.

The lowest frequency is twice the highest.

Answer

Correct Answer: The lowest frequency is half the highest.

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33. NTSC stands for ____________.

North American Television Society && National Transportation Safety Board && North Atlantic Treaty Organization

National Television System Committee

Answer

Correct Answer: National Television System Committee

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34. What does a notch filter do?

Decreases a specific band of frequencies

Increases a specific band of frequencies

Amplifies a specific band of frequencies

Eliminates a specific band of frequencies

Answer

Correct Answer: Eliminates a specific band of frequencies

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35. What is the metric unit for screen or surface brightness?

Seconds

Nit

Hours

Minutes

Answer

Correct Answer: Nit

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36. What is the definition of near-field sound?

Sound that is heard from a distance

Sound that has not been colored by room reflections

Direct sound

Sound that has been colored by room reflections

Answer

Correct Answer: Sound that has not been colored by room reflections

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37. What is the other name for near-field sound?

Reflection sound

Reverberation sound

Ambient sound

Direct sound

Answer

Correct Answer: Direct sound

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38. What is the native resolution?

The number of pixels in an image that can be displayed on a screen

The actual resolution of the imaging device

The resolution of the delivery signal

The number rows of horizontal and vertical pixels that create the picture

Answer

Correct Answer: The number rows of horizontal and vertical pixels that create the picture

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39. Native resolution describes the _______ of the delivery signal.

Number of rows of horizontal and vertical pixels

Size of the delivery signal

Resolution of the delivery signal

Actual resolution of the imaging device

Answer

Correct Answer: Actual resolution of the imaging device

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40. What is a media retrieval system?

A machine that reads and interprets instructions

A device that stores and retrieves data

A system that processes data and converts it into information

A system in a facility that allows for remote requests of content to be delivered from a head-end location.

Answer

Correct Answer: A system in a facility that allows for remote requests of content to be delivered from a head-end location.

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41. Which type of television system is MATV?

Mathematics of Advanced Television

Master Antenna Television system

Master of Arts in Teaching and Technology

Multiple Address Television system

Answer

Correct Answer: Master Antenna Television system

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42. A matte white screen is used in order to ____________.

Evenly disperse light 240 degrees uniformly, both horizontally and vertically, creating a wide viewing cone and wide viewing angle

Produce a sharper image

Increase the contrast ratio of the display

Prevent light from reflecting off the screen

Answer

Correct Answer: Evenly disperse light 240 degrees uniformly, both horizontally and vertically, creating a wide viewing cone and wide viewing angle

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43. What does a matte white screen do?

It is a type of projection screen that has a white matte finish

It is a type of fabric

It is a type of white paint

Evenly disperses light 240 degrees uniformly, both horizontally and vertically, creating a wide viewing cone and wide viewing angle.

Answer

Correct Answer: Evenly disperses light 240 degrees uniformly, both horizontally and vertically, creating a wide viewing cone and wide viewing angle.

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44. What is a matrix switcher?

A device that allows you to connect any input to any output

A device that allows you to connect multiple inputs to multiple outputs

An electronic device with multiple inputs and outputs

A device that allows you to connect any input to only one output

Answer

Correct Answer: An electronic device with multiple inputs and outputs

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45. What is a matrix decoder?

A device that produces red, green, and blue from Y, R-Y, and B-Y

A device that produces yellow, green, and blue from red, green, and blue

A device that encodes information

A device that decodes information

Answer

Correct Answer: A device that produces red, green, and blue from Y, R-Y, and B-Y

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46. What does a matrix decoder do?

RGB are secondary colors

Y, R-Y, and B-Y are primary colors

Produces red, green, and blue from Y, R-Y, and B-Y

Transmits red, green, and blue

Answer

Correct Answer: Produces red, green, and blue from Y, R-Y, and B-Y

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47. What does a local monitor do?

Sends a signal to a system or other device in a local vicinity

Receives a signal from a system or other device in a local vicinity

Monitors the input of a signal to a system or other device in a local vicinity

Monitors the output of a signal from a system or other device in a local vicinity

Answer

Correct Answer: Monitors the output of a signal from a system or other device in a local vicinity

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48. What is the key difference between a limiter and a compressor?

Signals exceeding the threshold level are reduced at ratios of 10:1 or greater.

The threshold level for a limiter is always higher than the threshold level for a compressor.

A limiter is an audio signal processor while a compressor is not.

A limiter only affects audio signals while a compressor can affect any type of signal.

Answer

Correct Answer: Signals exceeding the threshold level are reduced at ratios of 10:1 or greater.

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49. What is designed to reflect maximum light over wide horizontal and narrow vertical angles?

Concave

Lenticular

Flask

Cylindrical

Answer

Correct Answer: Lenticular

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50. What is a lavalier?

A type of pasta

A small microphone designed to be worn either around the neck or clipped to apparel.

A decorative necklace

A floor cleaning machine

Answer

Correct Answer: A small microphone designed to be worn either around the neck or clipped to apparel.

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51. What is a LAN?

A computer network limited to the immediate area

A computer network not connected to the internet

A one-way computer network

A computer network that allows for long-distance communication

Answer

Correct Answer: A computer network limited to the immediate area

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52. What is the full form of "LAN"?

Limited area network

Large area network

Long area network

Local area network

Answer

Correct Answer: Local area network

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53. What is the trapezoidal distortion of a square-cornered image called?

Keystone error

Anamorphosis

Foreshortening

Pincushioning

Answer

Correct Answer: Keystone error

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54. What is the definition of a junction box?

A device used to split or combine electrical current.

A device used to measure electrical current.

A device used to terminate electrical current.

A portable set terminal for power cables.

Answer

Correct Answer: A portable set terminal for power cables.

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55. What is the jacket in a cable used for?

To provide support to the cable

To give the cable extra strength

To add to the aesthetic value of the cable

To protect wires in a cable and their shielding

Answer

Correct Answer: To protect wires in a cable and their shielding

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56. What is the purpose of a jacket?

To provide structural support for the cable

To protect the insulation on the wires

To protect wires in a cable and their shielding.

To prevent the wires from shorting out.

Answer

Correct Answer: To protect wires in a cable and their shielding.

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57. What is infrared?

A gas

A frequency range of light used to send information.

A type of rock

A color

Answer

Correct Answer: A frequency range of light used to send information.

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58. What is inductive reactance?

The opposition to the flow of alternating current by the inductance of a circuit, measured in ohms.

The opposition to the flow of direct current by the capacitance of a circuit, measured in ohms.

The opposition to the flow of alternating current by the capacitance of a circuit, measured in ohms.

The opposition to the flow of direct current by the inductance of a circuit, measured in ohms.

Answer

Correct Answer: The opposition to the flow of alternating current by the inductance of a circuit, measured in ohms.

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59. What is the unit of measurement for inductive reactance?

Coulombs

Amperes

Volts

Ohms

Answer

Correct Answer: Ohms

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60. What is inductance?

The ability of a magnetic field to transfer electrical current on a insulator.

The ability of a magnetic field to transfer electrical current on a conductor.

The ability of an electrical current to transfer magnetic field on a conductor.

The ability of a conductor to transfer electrical current on a magnetic field.

Answer

Correct Answer: The ability of a magnetic field to transfer electrical current on a conductor.

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61. What is impedance?

The rate of flow of electrons

Opposition to alternating current measured in ohms

Ability to flow freely

AC current divided by DC current

Answer

Correct Answer: Opposition to alternating current measured in ohms

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62. What does impedance measure?

Power

Opposition to direct current

Opposition to alternating current

Voltage

Answer

Correct Answer: Opposition to alternating current

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63. What does IEEE stand for?

The Institute of Electrical and Electronics Engineers

Institute of Electrical Engineers

International Electrotechnical Commission

Indium helium Easter eggs

Answer

Correct Answer: The Institute of Electrical and Electronics Engineers

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64. What is the hemispheric polar pattern?

A sound recording technique

A method of sound reinforcement

The dome shape of the region that some microphones will be most sensitive to sound.

A type of microphone

Answer

Correct Answer: The dome shape of the region that some microphones will be most sensitive to sound.

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65. Which of the following best describes a hemispheric polar pattern?

The dome shape of the region that some microphones will be most sensitive to sound

A microphone that is only sensitive to sound

A type of boundary microphone

A microphone that is not sensitive to sound

Answer

Correct Answer: The dome shape of the region that some microphones will be most sensitive to sound

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66. What is the purpose of a heat sink?

To magnify the heat produced by an electrical component

To conduct electricity

To absorb and dissipate heat produced by an electrical component

To store heat

Answer

Correct Answer: To absorb and dissipate heat produced by an electrical component

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67. What is a heat sink?

A device that regulates the flow of electricity

A device that conducts electricity

A device that produces heat to warm an electrical component.

A device that absorbs and dissipates heat produced by an electrical component.

Answer

Correct Answer: A device that absorbs and dissipates heat produced by an electrical component.

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68. Process and combine the signals at the headend of the cable distribution system

Process and amplify the signals

Process and combine the signals

Process and store the signals

Process and distribute the signals

Answer

Correct Answer: Process and combine the signals

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69. What is HDTV?

Harnessing Dinosaur bones for Technology

High Display Television

High Definition Television

Highly Dangerous Television

Answer

Correct Answer: High Definition Television

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70. What are harmonics?

Higher frequency sound waves that blend with the fundamental frequency.

Sound waves that do not blend with the fundamental frequency.

Lower frequency sound waves that blend with the fundamental frequency.

Fundamental frequency sound waves.

Answer

Correct Answer: Higher frequency sound waves that blend with the fundamental frequency.

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71. What is a glass bead screen?

A screen made of glass

A screen used to view things in the dark

A screen covered with tiny glass beads, each of which provides a spherically reflective surface.

A screen made of plastic

Answer

Correct Answer: A screen covered with tiny glass beads, each of which provides a spherically reflective surface.

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72. What does the term "genlock" mean?

To generate a lock signal for devices

To lock multiple devices together

To lock the synchronization signals of multiple devices to a single source

To synchronize multiple devices to a single source

Answer

Correct Answer: To lock the synchronization signals of multiple devices to a single source

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73. What does the term "auge" refer to?

A thickness or diameter of a wire.

The weight of a wire.

The type of metal used in a wire.

The length of a wire.

Answer

Correct Answer: A thickness or diameter of a wire.

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74. What does the word "gauge" mean?

A thickness or diameter of a wire

A unit of measure for shotguns

A large needle

The weight of a railway car

Answer

Correct Answer: A thickness or diameter of a wire

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75. What does a gate do?

It filters out signals.

It amplifies signals.

It allows signals to pass only above a certain setting or threshold.

It passes signals only below a certain setting or threshold.

Answer

Correct Answer: It allows signals to pass only above a certain setting or threshold.

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76. What does the audio processor gate allow signals to pass?

At any setting or threshold.

Only below a certain setting or threshold.

Only above or below a certain setting or threshold.

Only above a certain setting or threshold.

Answer

Correct Answer: Only above a certain setting or threshold.

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77. What is the definition of "gain" in electronics?

Electronic signal amplification

The ability of a projection screen to concentrate light

A measure of how well a system can reproduce an input signal with distortion

The number of decibels that a system increases the level of an input signal

Answer

Correct Answer: Electronic signal amplification

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78. What is a fixed matrix?

A device used to measure electrical potential

A type of display that has a fixed grid on which it recreates an image.

A mathematical model used to predict future events.

A tool used to calculate proportions

Answer

Correct Answer: A type of display that has a fixed grid on which it recreates an image.

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79. What does a filter do?

Remove or pass only certain frequencies from a signal

Remove or pass certain frequencies from a signal

Allow all frequencies through a signal

Block all frequencies from a signal

Answer

Correct Answer: Remove or pass certain frequencies from a signal

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80. What is contained in each standard video frame?

Two interlaced fields

One field

Three fields

Four fields

Answer

Correct Answer: Two interlaced fields

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81. How many fields are in a standard video frame?

Three

Four

One

Two

Answer

Correct Answer: Two

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82. What is fiber optic?

A technology that uses glass or plastic threads or wires to transmit information.

A technology that uses glass or plastic threads or wires to transmit light.

A type of data storage

A technology that uses mirrors or lenses to transmit light.

Answer

Correct Answer: A technology that uses glass or plastic threads or wires to transmit information.

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83. What is emissive technology?

Any display device that emits light to create an image.

Technology used to study the effects of electromagnetic radiation

An electric vehicle battery technology

A device that uses long-wavelength infrared imaging to detect hidden objects

Answer

Correct Answer: Any display device that emits light to create an image.

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84. What does EMI stand for?

European Market Index

Electronic Music Instruments

Early morningillusion

Electromagnetic interference

Answer

Correct Answer: Electromagnetic interference

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85. What is electromagnetic interference (EMI)?

A measure of the strength of a magnetic field

An electrical disturbance caused by an electromagnetic field, either low frequency or radio frequency (RF)

The disruption of the operation of electronic equipment by electromagnetic fields

A unit of measurement for EMF strength

Answer

Correct Answer: An electrical disturbance caused by an electromagnetic field, either low frequency or radio frequency (RF)

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86. What is the full form for EMI?

Electromagnetic interference

Electronic maximization interface

Electronic miniaturization interface

Electronic minimum interference

Answer

Correct Answer: Electromagnetic interference

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87. What does EIA stand for?

European Investment Bank

Electronics Industries Alliance

Environmental Impact Assessment

Export-Import Bank of India

Answer

Correct Answer: Electronics Industries Alliance

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88. What is echo cancellation?

A process of Send and receive data at the same time

A method of distorting audio signals

A way of increasing echo in an audio path

A means of eliminating echo from an audio path

Answer

Correct Answer: A means of eliminating echo from an audio path

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89. What is early reflected sound?

Created by sound waves which bounce off the listener's ear

Sound waves which are reflected (bounced) off surfaces between the source and the listener

Sound waves which bounce off the source

Sound waves which bounce off the ground

Answer

Correct Answer: Sound waves which are reflected (bounced) off surfaces between the source and the listener

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90. What does a delay do to an audio signal?

Distorts the signal

Reverses the signal

Retards the speed of transmission

Increases the speed of transmission

Answer

Correct Answer: Retards the speed of transmission

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91. What does a deflection coil do?

Direct an electron beam to draw an image on a cathode ray tube

Change the path of an electron beam

Destroy an electron beam

Create an electron beam

Answer

Correct Answer: Direct an electron beam to draw an image on a cathode ray tube

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92. What does decibel measure?

Sound level

A comparison of two measurements or values

Amount of light

Weight

Answer

Correct Answer: A comparison of two measurements or values

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93. What does 0 dBSPL equal to?

0.0003 dynes/cm2

0.0001 dynes/cm2

0.0002 dyne/m2

0.0002 dynes/cm2

Answer

Correct Answer: 0.0002 dynes/cm2

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94. Which of the following is NOT true about dBSPL?

DBSPL is a 20log function.

0 dBSPL equals 0.0002 dynes/cm2.

Its reference, 0 dBSPL equals 0.0002 dynes/cm2.

DBSPL is used as a measure of acoustical sound pressure levels.

Answer

Correct Answer: Its reference, 0 dBSPL equals 0.0002 dynes/cm2.

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95. What is the D-sub connector?

A generic name for D-shaped serial connectors used in data communications.

D-shaped serial connectors used in data communications

A device that connects D-shaped serial connectors

A type of data communication

Answer

Correct Answer: A generic name for D-shaped serial connectors used in data communications.

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96. What is a carrier?

A frequency that does not carry a signal.

A device that amplifies a signal.

A modulated frequency that carries a video or audio signal.

An unmodulated frequency.

Answer

Correct Answer: A modulated frequency that carries a video or audio signal.

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97. What does the word "carrier" mean in the context of audio and video signals?

The final destination of a signal

A device that converts a digital signal to an analog signal

A device that amplifies a signal

A modulated frequency that carries an audio or video signal

Answer

Correct Answer: A modulated frequency that carries an audio or video signal

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98. Which of the following shapes is a cardioid?

Triangular

Oval

Rectangular

Heart-shaped

Answer

Correct Answer: Heart-shaped

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99. How does one terminate a captive screw connector?

Strip and slide a wire into a slot on the connector

Push the wire into the connector and solder

Use pliers to twist the wire around the connector

Cut the wire and crimp

Answer

Correct Answer: Strip and slide a wire into a slot on the connector

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100. What is the name of the screws that are used to hold the wires in place in a captive screw connector?

All Saints' screws

Easter screws

Christmas screws

Set screws

Answer

Correct Answer: Set screws

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101. What does capacitance refer to?

The ability of a nonconductive material to develop an electrical charge which can distort an electrical signal.

The ability of a conductor to develop an electrical charge which cannot distort an electrical signal.

The ability of a conductor to develop an electrical charge which can distort an electrical signal.

The ability of a nonconductive material to develop an electrical charge which cannot distort an electrical signal.

Answer

Correct Answer: The ability of a nonconductive material to develop an electrical charge which can distort an electrical signal.

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102. What is baseband?

A type of computer memory

Video signal that has not been modulated

A type of cable

A type of digital transmission

Answer

Correct Answer: Video signal that has not been modulated

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103. What is bandwidth limiting?

When too many devices are connected to the internet

The result of encoding a higher quality signal into a lower quality form

A way to improve internet speeds

The result of a bad internet connection

Answer

Correct Answer: The result of encoding a higher quality signal into a lower quality form

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104. What is bandwidth?

A measure of information carrying capacity without distortion.

A measure of the width of a digital signal

The speed of a data connection

The amount of data that can be transferred in a fixed amount of time.

Answer

Correct Answer: A measure of information carrying capacity without distortion.

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105. What is a band?

A strip of material

A type of hairstyle

A metallic or elastic ring

A grouping or range of frequencies

Answer

Correct Answer: A grouping or range of frequencies

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106. What is the main advantage of a balanced circuit?

Its ability to reject noise.

It is easier to design.

It uses less power.

Its components are cheaper.

Answer

Correct Answer: Its ability to reject noise.

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107. What does a balanced circuit mean?

A circuit in which two branches are electrically alike and symmetrical with respect to a common reference point

A circuit with an open switch

A circuit with no load

A circuit that is not functioning properly

Answer

Correct Answer: A circuit in which two branches are electrically alike and symmetrical with respect to a common reference point

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108. What is an amplifier?

A device that only amplifies certain frequencies

An electronic device for increasing the strength of electrical signals.

A device that decreases the strength of electrical signals

A device that amplifies sound

Answer

Correct Answer: An electronic device for increasing the strength of electrical signals.

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109. What is ambient noise?

Sound that is desired and intentional

Sound that is extra and not needed

Sound that is extraneous to the intended, desired, intentional, audio; background noise.

Sound that is part of the audio

Answer

Correct Answer: Sound that is extraneous to the intended, desired, intentional, audio; background noise.

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110. What is ambient light?

A measure of how much light is reflected off a surface

The light emitted from a display

All light in a viewing room produced by sources other than the display.

The brightest part of a picture

Answer

Correct Answer: All light in a viewing room produced by sources other than the display.

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111. What is the name given to an electric current that reverses its direction periodically?

Alternating current

Static current

Alternating voltage

Direct current

Answer

Correct Answer: Alternating current

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112. What does AES stand for?

Audio Engineering Society.

American Educational Society

Association of Environmental Scientists.

American Economic Society

Answer

Correct Answer: Audio Engineering Society.

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113. What is the study of sound wave behavior in air called?

Acoustics

Anatomy

Physiology

Cardiology

Answer

Correct Answer: Acoustics

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Acoustical Engineering MCQs | Topic-wise

MCQ on Acoustic modelling software	MCQ on Acoustical Modeling
MCQ on Acoustical and Audio Measurements	MCQ on Acoustics Design Practicum
MCQ on Architectural Acoustics	MCQ on Audio Visual System Design
MCQ on Basic Acoustical Engineering	MCQ on Basic Audiology
MCQ on Ear Anatomy	MCQ on Electroacoustics
MCQ on Environmental Acoustics	MCQ on Measurement of Noise
MCQ on Microphones	MCQ on Musical Acoustics
MCQ on Noise & Vibration Control	MCQ on Noise Control
MCQ on Psychoacoustics	MCQ on Sound Insulation
General Acoustical Engineering MCQs