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AVIXA CTS-I Dumps

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Total 477 questions

Certified Technology Specialist – Installation Questions and Answers

Question 1

What is the industry best practice when troubleshooting? (Choose all that apply.)

Options:

A.

Change only one thing at a time

B.

Change the faulty device right away

C.

Change the signal analyzer

D.

Change the signal generator

Question 2

What is the first step in conducting a technical site survey?

Options:

A.

Reviewing drawings with the AV designer

B.

Recording model and serial numbers of all equipment

C.

Setting up your GPS with the site location

D.

Ordering the equipment from the warehouse

Question 3

What does a 3-LED tester test for?

Options:

A.

Open ground-wiring error

B.

Fault terminations

C.

Neutral/ground shorts

D.

Neutral/ground swap

Question 4

The three components of an AV experience are _________.

Options:

A.

Space, Content, and Technology

B.

Space, Sound, and Visuals

C.

Sensation, Knowledge, and Remembrance

D.

Technology, Budget, and Desires

Question 5

Which of the following best describes an electret, when used in a microphone?

Options:

A.

a preconfigured capacitor

B.

a small battery

C.

prepolarized material

D.

a charged backplate

Question 6

The number of ___ in the primary and secondary sides of a transformer determines the impedance and/or voltage ratio.

Options:

A.

Unused tap wires

B.

Ohms

C.

Coils of wire

D.

Loudspeaker taps

Question 7

Which of the following must the as-built drawings show?

Options:

A.

The client's vision for the finished system

B.

Details of the system as finally installed

C.

Original system design specification

D.

Mechanical drawings

Question 8

To find the aspect ratio of a screen, you must _____.

Options:

A.

divide the screen width by the screen length

B.

multiply the aspect ratio by the screen height

C.

substitute the width or height in the formula

D.

divide the screen width by the screen height

Question 9

When a camera's field of view changes with movement, _____ will adjust pixel variations so the camera can adjust its lens for fast and smooth video handling.

Options:

A.

Auto tracking

B.

Auto-shutter

C.

Auto gain

D.

Pan-tilt-zoom

Question 10

Where are tall equipment racks usually mounted?

Options:

A.

To a wall

B.

To the floor

C.

To the ceiling

D.

Equipment racks can't be mounted

Question 11

When using black iron pipe, how can you prevent the mounting assembly from coming apart?

Options:

A.

Tape parts of the pipe together.

B.

Lock threaded junction points.

C.

Weld parts of the pipe together.

D.

Solder parts of the pipe together.

Question 12

In a loudspeaker circuit, what color wire carries the negative (-) current?

Options:

A.

Red

B.

White

C.

Black

D.

Grey

Question 13

The range of radio frequencies between 300 MHz to and 3 GHz is the ___ band.

Options:

A.

UHF

B.

VLF

C.

VHF

D.

HF

Question 14

When working with electrical systems, what should you do if two codes have conflicting requirements?

Options:

A.

Follow the guidelines from the most restrictive code

B.

Follow the guidelines from the most lenient code

C.

Consult the NEC handbook and do only what it says

D.

Ignore both of the codes and do the installation in a way that makes sense to you

Question 15

What function does a timesheet serve?

Options:

A.

They mark how much time is left to complete a project

B.

They help track how many man-hours have already been spent on the project

C.

They are only a way to receive payment after a project

D.

They show your client how much experience you have on that type of project

Question 16

Which of the following is one possible covering for twisted pair cable?

Options:

A.

Rubber

B.

Copper

C.

Wood

D.

Mercerized cotton

Question 17

H and V sync signals are transmitted as separate signals on a(n) _____ output.

Options:

A.

digital

B.

analog

C.

RBG

D.

RS232

Question 18

Which of the following is an essential deliverable before sign-off?

Options:

A.

A punch/snag/problem list

B.

A clean site

C.

Referral solicitations

D.

Redundant cables

Question 19

Two common scales used on technical drawings are ____.

Options:

A.

1/4 inch and 1:25.75

B.

1/4 inch and 1:100

C.

1/3 inch and 1:225

D.

1/2 inch and 1:105

Question 20

During the handshake process, data from the EDID table is sent to:

Options:

A.

source devices

B.

sink devices

Question 21

If existing components have to be reused in an AV system, what is a critical task that the installer must perform?

Options:

A.

Draw a schematic showing where the old equipment fits

B.

Call the manufacturer to extend the warranty

C.

Test the equipment to make sure it is operational

D.

Discard items that do not meet specifications

Question 22

The best practice for mounting equipment in a rack is to:

Options:

A.

Mark RUs beside the mounting rail with a utility knife.

B.

Verify that the holes of the rear mounting rails are 1 inch (2.5 cm) higher than front rails.

C.

Lay the rack on its back on top of padding.

D.

Remove all clip nuts from the mounting rail to secure them to gear first

Question 23

Four factors related to primary optics that influence the quality of the projected image are _____.

Options:

A.

reflection, curvature, spherical aberration dispersion of field

B.

refraction, presentation, spherical aberration and curvature of field

C.

reflection, dispersion, spherical aberration and curvature of field

D.

refraction, dispersion, spherical aberration and curvature of field

Question 24

Low impedance microphones _________.

Options:

A.

Are labelled as having less than 2000 ohms

B.

Are more susceptible to noise

C.

Allow for multiple microphones to be connected to the same amplifier

D.

Allow for longer cable runs

Question 25

H and V stand for what pieces of information in a camera?

Options:

A.

height and vertical sync

B.

horizontal and visual alignment

C.

height and visual alignment

D.

horizontal and vertical sync

Question 26

What does load limit refer to?

Options:

A.

The maximum wattage capacity of the power supply

B.

The weight rating of a component that should not be exceeded to avoid mounting failure

C.

The permissible weight that can be carried onto a job site

D.

The maximum impedance in a speaker circuit

Question 27

There is a conflict between the wall plate height specified in AV documents and the height the electrical contractor is saying must be used on site. Which of the following forms would be used by the integrator to seek clarification of the correct mounting height of wall plates?

Options:

A.

Construction Change Directive (CCD)

B.

Request for Information (RFI)

C.

Request for Change (RFC)

D.

Change Order (CO)

Question 28

A rack elevation diagram includes which of the following information?

Options:

A.

Location of electrical outlets for technical power

B.

The distance from the floor the rack should be mounted

C.

Signal type for each input and output

D.

RUs used for each component

Question 29

What is a best practice when selecting fasteners for mounting AV equipment?

Options:

A.

Use bolts with smooth heads.

B.

Use standards-rated bolts.

C.

Use bolts that are available near the job site.

D.

Use bolts that are extra-long.

Question 30

What are best practices when evaluating facility conditions of a space that is ready for installation? (Select all that apply.)

Options:

A.

Note areas that may affect logistics

B.

Make sure the site is clean and dust-free

C.

Take pictures and document all existing conditions

D.

Note if you will need an extension ladder

Question 31

Which are best practice methods for dressing a rack? (Choose all that apply.)

Options:

A.

Bundle cables by signal type.

B.

Use removable cable ties to secure a cable bundle.

C.

Secure heavy cable bundles to lacing bars.

D.

Keep power cables separate from signal cables.

Question 32

The ISO numerical marking scheme on materials is used to:

Options:

A.

indicate the strength of the material the hardware is made from

B.

calculate the length of the hardware

C.

test the amount of impurities present in the material the hardware is made from

D.

calculate the weight of the material the hardware is made from

Question 33

The ANSI/AVIXA 2M-2010 Standard Guide for Audiovisual Systems Design Coordination Processes lays out a procedure for determining the:

Options:

A.

functions and features that are required to support a given set of tasks

B.

project communication that needs to take place on a given project

C.

room types that are suitable for a given set of client needs

D.

verification tests that should be performed during a given project

Question 34

When mounting a 34kg (75lb) projector with a 7kg (15lb) mount, the substructure should be able to support a minimum weight of:

Options:

A.

82kg (180lb)

B.

41kg (90lb)

C.

204kg (450lb)

D.

122kg (270lb)

Question 35

A spot meter is used to take ___ light measurements.

Options:

A.

projected

B.

incident

C.

task

D.

reflected

Question 36

What does a gain sharing automatic mixer do?

Options:

A.

turns microphone channels on or off automatically

B.

turns up used microphone channels and turns down unused microphone channels

C.

adjusts a volume knob in a way pre-programmed by the operator

D.

adjusts the volume of a loudspeaker depending on how loud or quiet the person is

Question 37

What sort of document tells you where and how to install audio components?

Options:

A.

Reflected ceiling plans

B.

Detail drawings

C.

System flow diagram

D.

Request for Information document

Question 38

Before decommissioning a system where existing components will be reused, the AV technician should:

Options:

A.

Ensure the equipment that will be reused is fully operational

B.

Assure that the client knows the AV technicians are disassembling the system

C.

Calculate the value of equipment costs for insurance purposes

D.

Check to see if the old equipment will work with the new design

Question 39

When applying electrical tape to a snout you should use _____ at the transitions to make the snout smooth and tapered.

Options:

A.

Extra wraps of tightly stretched electrical tape

B.

Cotton

C.

Extra cable lubricant

D.

Extra pull string

Question 40

What is a power system that is solely used for computer and electronic systems called?

Options:

A.

Power distribution system

B.

Isolated ground system

C.

Supplemental ground system

D.

Individual branch circuit

Question 41

Which of the following statements is a true safety practice for mounting loudspeakers?

Options:

A.

If you work with a structural engineer, follow their instructions completely

B.

Nails can dependably support overhead loads

C.

You may safely exceed the working load limit without compromising the safety of the installation

D.

Attach heavy loads to a wall or ceiling surface by yourself, without a partner

Question 42

Each loudspeaker in a constant voltage system has a _____ mounted to it.

Options:

A.

tap

B.

transductor

C.

transmitter

D.

transformer

Question 43

When demonstrating the operation of a digital visual system with multiple connections for laptops, it is recommended to:

Options:

A.

Connect the laptops to confirm they will properly display the resolution set by the EDID table

B.

Use a video test pattern generator to test all laptop connections

C.

Describe the different resolutions that the system is capable of displaying

D.

Utilize a real time generator to confirm that the system will output the proper resolution set by the EDID table

Question 44

An audio signal level that goes up to about 100V is _____ level.

Options:

A.

professional line

B.

consumer line

C.

mic

D.

loudspeaker

Question 45

Where should an optical disk player be placed in a rack?

Options:

A.

At the bottom of the rack

B.

At the top of the rack

C.

Next to an audio speaker

D.

In the user's direct line of sight

Question 46

Why is equipment grounded or wired to the earth?

Options:

A.

to comply with energy conservation regulations

B.

to limit human exposure to high-voltage electricity

C.

to direct excess voltage along the paths of least resistance

D.

to secure equipment in the event of a natural disaster

Question 47

A 1080p HDTV signal with a frame rate of 30Hz will reproduce images at:

Options:

A.

30 lines interlaced

B.

30 frames per minute

C.

30 lines per scan

D.

30 frames per second

Question 48

Which of the following factors is not related to the correct drilling of a pilot hole for mounting AV equipment?

Options:

A.

Location of wires

B.

Ambient temperature

C.

Length of screw

D.

Diameter of screw

Question 49

When training a customer on the operation of a touch-panel interface, an example that the GUI is a good design that meets the customer's needs is:

Options:

A.

The customer can easily use the touch panel with little explanation

B.

The customer requires intensive training on how to use the touch panel

C.

The customer thinks the panel looks cool

D.

The customer wants only a few changes

Question 50

A rack elevation diagram depicts:

Options:

A.

The signal flow of a system.

B.

Where on a wall the rack should be mounted.

C.

The location of equipment within a rack.

D.

Cable and connecter termination procedures.

Question 51

Estimating throw distance requires two values: ____ and ____.

Options:

A.

off-axis viewing location; throw ratio

B.

throw ratio; screen height

C.

projector cart; tape measure

D.

screen width; throw ratio

Question 52

In the AV Industry, _____ (tin/lead) solder is typically used.

Options:

A.

40/60

B.

63/37

C.

50/50

D.

28/72

Question 53

Worldwide, most HD television channels broadcast in ____.

Options:

A.

1280x720

B.

1080i

C.

720p

D.

1080p

Question 54

What type of drawing would you use to find out exactly how the projector should be mounted to the ceiling?

Options:

A.

Reflected ceiling plan

B.

Mechanical drawing

C.

Detail drawing

D.

Section drawing

Question 55

What type of termination technique is used for a BNC connector?

Options:

A.

Solder

B.

Crimp

C.

Insulation displacement

D.

Stab and twist

Question 56

When powering a system off, which device from the following list should you turn off first?

Options:

A.

Pre-amplifiers

B.

Wireless mic receivers

C.

Blu-ray players

D.

Power amplifiers

Question 57

A customer has recently changed their phone system from a traditional POTS line to VoIP based switch. The new VoIP switch still dials out properly, but no longer hangs up when the far end disconnects. What is most likely the problem?

Options:

A.

The on-hook voltage is too high, and the hybrid is set to "loop drop"

B.

The VoIP switch is not configured properly

C.

The far-end disconnect signal is not being received

D.

The hybrid is set to "voice disconnect"

Question 58

When should you run electrical and signal cables to a flat panel display?

Options:

A.

Before you've found all of the studs behind the mounting wall

B.

After you've made final adjustments to the display based on the viewing environment

C.

Once you've placed it upon a flat, clean, shipping blanket

D.

After it's been mounted to the wall

Question 59

When powering a system on, which device from the following list should you turn on last?

Options:

A.

Pre-amplifiers

B.

Wireless mic receivers

C.

Blu-ray players

D.

Power amplifiers

Question 60

It is a best practice to choose a mount with a safety factor of at least _____.

Options:

A.

2

B.

4

C.

5

D.

8

Question 61

For an ethernet cable (UTP) to meet certification standards, the maximum length is

Options:

A.

98' or 30m

B.

328' or 100m

C.

492' or 150m

D.

984' or 300m

Question 62

Your client has asked you to mount a consumer media and gaming console in the rack. The device measures 340 × 80 x 265 millimeters (W × H × D) (13.4 x 3.1 x 10.4 inches). How many RUs of rack space will this device require?

Options:

A.

1 RU

B.

2 RUs

C.

6 RUs

D.

8 RUs

Question 63

The advantages of using a dual-channel FFT analyzer to adjust equalization include: (Choose all that apply.)

Options:

A.

viewing the sound spectrum in both the frequency and time domain

B.

identifying reflections in the room and isolating only the signals you want to measure

C.

being less complicated than the RTA method

D.

the ability to be optimized for different types of music

Question 64

The permissible area for one cable in a conduit is limited to _____ percent of the conduit area.

Options:

A.

31

B.

53

C.

40

D.

73

Question 65

Why is it a good idea for the AV installer to provide end user training on a new system?

Options:

A.

Reduces the number of service calls and damaged equipment caused by user error

B.

To identify future sales opportunities

C.

Good opportunity to identify punch or defects list items

D.

Most state codes require service after the sale

Question 66

Proper screen selection is critical for _____.

Options:

A.

projector orientation

B.

perceiving the images as accurately as possible

C.

audience comfort while watching the presentation

D.

eliminating ambient light

Question 67

The original LCD monitor specified on the project was not available. The model used to replace it has a lower native resolution than the original monitor. What device could be used to keep the EDID table from now calculating the EDID table to a lower resolution for the whole system?

Options:

A.

Scan Converter

B.

Scaler

C.

Transcoder

D.

EDID emulator

Question 68

What piece of test equipment is used to measure speaker resistance in a 70v distributed audio system?

Options:

A.

Volt meter

B.

Pink noise generator

C.

Impedance bridge/meter

D.

Ohm meter

Question 69

Which of the following is true for grouping cables together?

Options:

A.

Keep your signal cables as close as possible to sources of electrical noise

B.

Separate microphone and speaker cables into different bundles

C.

Use nonmetallic conduit for signal cables when nonmetallic conduit is used for power cables

D.

Signal cables should be routed with power cables

Question 70

Typically, what type of connector finishes the shielded twisted pair cable?

Options:

A.

USB

B.

XLR

C.

RJ-45

D.

TRS

Question 71

The point at which power enters a building is called the _____.

Options:

A.

service entrance

B.

hot spot

C.

facility drop

D.

demark

Question 72

Harmonics are _____.

Options:

A.

the whole number multiples of individual sine waves

B.

the whole number multiples of a fundamental frequency

C.

the particular make-up of complex waveforms

D.

varying proportional energy levels of a fundamental frequency

Question 73

In which situations or environments is the system optimization method of gain adjustment preferable to the unity gain method? (Choose all that apply.)

Options:

A.

In performing arts centers and lecture halls

B.

For installations with short deadlines

C.

For systems with 750m V input signal levels

D.

Where clipping levels will not vary within the system

Question 74

Punch block termination works with _____.

Options:

A.

linear compression

B.

soldering

C.

crimping

D.

insulation displacement

Question 75

A cable should have a bend radius of no less than ___ times the cable's diameter.

Options:

A.

Three

B.

Four

C.

Two

D.

Five

Question 76

The most common type of Viewing Category is __________.

Options:

A.

Analytical Decision Making (ADM)

B.

Basic Decision Making (BDM)

Question 77

The amplifier comes right before _____ in the audio system chain.

Options:

A.

the loudspeakers

B.

everything

C.

the audio processor

D.

the equalizer

Question 78

A complete audio signal path begins with acoustical energy and ends with _____ energy.

Options:

A.

electrical

B.

acoustical

C.

amplified

D.

Processed

Question 79

Which of the following documents should an AV integrator submit in the event that a manufacturer has discontinued a projector model?

Options:

A.

Letter of transmittal

B.

Progress report (PR)

C.

Request for change (RFC)

D.

Construction change directive (CCD)

Question 80

_____ are the result of a(n) _____ reflection.

Options:

A.

Echoes, early

B.

Wavelengths, diffuse

C.

Diffusions, small

D.

Echoes, late

Question 81

What should you be aware of when installing an electric front-projection screen? (Choose all that apply.)

Options:

A.

Keep it horizontal when stored or transported.

B.

Some motorized screens have a motor inside the housing.

C.

In a return-air plenum ceiling, local codes apply.

D.

Use the manufacturer's specification for setting physical switches.

Question 82

When plotting a cable route, where should you place the cable?

Options:

A.

Close to fluorescent lighting

B.

Away from EMI sources

C.

Near motors or fans

D.

Along complicated pathways

Question 83

If you are installing a ceiling mount that requires a pipe, what should you do after you mount the pipe flange to the adjustable ceiling mount?

Options:

A.

Thread the pipe into the pipe flange and carefully cut the ceiling tile into two pieces. Then reinstall the pieces of ceiling tile into the ceiling grid leaving enough space for the pipe to protrude.

B.

Reinstall the ceiling tile and use a plumb bob to locate the spot on the ceiling tile directly below the center point of the pipe flange.

C.

Using the proper hardware, install the load bar to the cross members of the adjustable ceiling mount.

D.

Thread the pipe into the pipe flange and gently push the ceiling tile over the pipe, so that the pipe protrudes through the ceiling tile.

Question 84

_____ discrete DMDs are used in larger DLP projectors to generate color.

Options:

A.

Four

B.

Three

C.

Two

D.

Five

Question 85

Determine the wattage in a circuit measuring 120 volts with 15 amperes of current flow.

Options:

A.

80W

B.

0.125W

C.

1800W

D.

8W

Question 86

The purpose of electrical grounding is to _____.

Options:

A.

ensure safety

B.

close a circuit

C.

consume extra power

D.

save money

Question 87

_______ can transmit AV signals and other data up to a distance of 1km (3,280ft) or more before signal quality is compromised.

Options:

A.

Shielded twisted-pair (STP) cabling

B.

Multimode fiber-optic cabling

C.

Unshielded twisted-pair (UTP) cabling

D.

Coaxial cabling

Question 88

In a projected image, adding colors makes the image _____.

Options:

A.

dimmer

B.

brighter

C.

sharper

D.

Darker

Question 89

This conduit type forms a lightweight continuous flexible tube that offers the advantage of EMI protection.

Options:

A.

PVC

B.

Thinwall

C.

Rigid

D.

Flex

Question 90

Wavelength and frequency determine the __________ of sound, while amplitude determines the __________.

Options:

A.

Volume; speed

B.

Volume; tone

C.

Speed; tone

D.

Pitch; volume

Question 91

How often should your toolbox multimeter be sent to an accredited testing laboratory for recalibration?

Options:

A.

Before the commencement of each project.

B.

Every five years.

C.

Yearly.

D.

Never. It should be calibrated against your organization's highest-precision test instrument.

Question 92

What are the primary colors of light?

Options:

A.

red, blue, and yellow

B.

red, blue, and white

C.

red, blue, and black

D.

red, blue, and green

Question 93

Which topics should not be covered in an end-user training session? (Choose all that apply.)

Options:

A.

How to turn the system on and off

B.

How to change the IP addresses of the devices

C.

How to switch between the various program sources

D.

How to use the control system interface

Question 94

An RG59 coaxial SDI cable with an outer diameter of 6 millimeters (0.24 inches) is being installed in a conduit, along with four Cat 6A UTP data cables with an outer diameter of 8 millimeters (0.32 inches). If the allowable fill percentage for conduit with three or more cables in the region is 40 percent, what is the minimum inner diameter of the conduit?

Options:

A.

44 millimeters (1.75 inches)

B.

33 millimeters (1.28 inches)

C.

27 millimeters (1.06 inches)

D.

60 millimeters (2.38 inches)

Question 95

When mounting a 75lb (34 kg) projector with a 15lb (7 kg) mount, the substructure should be able to support a minimum of:

Options:

A.

180lbs (82 kg)

B.

90lbs (41 kg)

C.

450lbs (204 kg)

D.

270lbs (122 kg)

Question 96

After adjusting system equalization using the best tools available, you should: (Choose all that apply.)

Options:

A.

balance amp and EQ levels by ear for best tonality

B.

check the system by listening to familiar audio content

C.

check the system for distortion by listening at the highest expected volume

D.

change equalization off-axis to fix coverage problems

Question 97

Which component would you use to distribute video from multiple sources to many displays or in different zones?

Options:

A.

Distribution amplifier

B.

Scan converter

C.

Matrix switcher

D.

Scaler

Question 98

Native resolution is the ___ resolution for the display.

Options:

A.

downscaled

B.

modified

C.

optimized

D.

average pixel distribution

Question 99

Mirrors are used in rear projection systems to ____.

Options:

A.

increase the brightness of an image

B.

save space

C.

cut down on installation time

D.

focus an image

Question 100

When pulling a group of cables through conduit, it is advisable to:

Options:

A.

Tape them together

B.

Make a bulkhead

C.

Use the AV pulley system

D.

Utilize a sling

Question 101

The minimum SAE grade rating recommended for AV mounts is:

Options:

A.

2

B.

>8

C.

5

D.

8

Question 102

A Plasma Display Panel (PDP) is what type of imaging device?

Options:

A.

transmissive

B.

reflective

C.

remissive

D.

Emissive

Question 103

Which of these are layer 2 protocols commonly used to transport real-time media over a network? (Choose all that apply.)

Options:

A.

Dante

B.

UDP

C.

TCP

D.

AVB

Question 104

When planning an electrical system, do not exceed ____ of the capacity of any circuit.

Options:

A.

80%

B.

95%

C.

75%

D.

65%

Question 105

Which of the following is an advantage for using an HDMI cable?

Options:

A.

HDMI comes in both wireless and wired solutions

B.

HDMI cables can carry many kinds of signals at once

C.

HDMI cables do not have length limitations

D.

HDMI cables are highly customizable; you can choose their length and field terminate them

Question 106

What are the five stages of the typical AV process lifecycle?

Options:

A.

Programming, executing, planning, installing, closing

B.

Programming, designing, installing, commissioning, training

C.

Designing, installing, planning, commissioning, training

D.

Initiating, planning, executing, control, closing

Question 107

What can cause a mounting malfunction? (Choose all that apply.)

Options:

A.

Exceeding the load limit

B.

Improperly placing bolts

C.

Installing a mount directly to a ceiling tile

D.

Connecting a mount to blocking

Question 108

What is a circuit tracing kit, or "fox and hound," used for?

Options:

A.

Identifying each end of a cable in a bundle

B.

Identify the type of a specific cable

C.

Determining if a circuit uses AC or DC power

D.

Determining how long a cable run is

Question 109

A porous absorber slows down air molecules using _____.

Options:

A.

friction

B.

reflection

C.

absorption

D.

transmission

Question 110

Which type of conduit is the best choice for an electronically noisy environment because it offers physical and EMI protection?

Options:

A.

Intermediate Metal Conduit (IMC)

B.

Electrical Metallic Tubing (EMT or thinwall)

C.

Flexible Metal Conduit (Flex)

D.

Rigid Metal Conduit (RMC)

Question 111

Which of the following should a maintenance log include? (Choose all that apply.)

Options:

A.

Devices replaced

B.

Description of problem

C.

Date of service

D.

Name of technician

Question 112

Which device provides a direct physical connection between multiple nodes?

Options:

A.

Bridge

B.

Router

C.

Switch

D.

Gateway

Question 113

If sound energy is absorbed by the materials in the space, it has _____.

Options:

A.

stopped existing

B.

disappeared

C.

been converted to heat

D.

Broken

Question 114

It is an industry best practice to use no less than _____ ISO rated hardware for an audio visual installation.

Options:

A.

3.6

B.

5.6

C.

8.8

D.

10.9

Question 115

The impedance will _____ over the loudspeaker's entire frequency range.

Options:

A.

stabilize

B.

not be the same

C.

vary with strength

D.

be exactly the same

Question 116

What does the first number in an aspect ratio represent?

Options:

A.

Depth

B.

Height

C.

Width

D.

Length

Question 117

Compressors, limiters, and expanders are all _____.

Options:

A.

dynamic processors

B.

gates

C.

filters

D.

distortion processors

Question 118

Where should you bundle a permanently attached power cord in a rack?

Options:

A.

With microphone cables

B.

Separately from all other cords and cables

C.

In the center of a bundle of mixed cables

D.

With other power cords

Question 119

A high pass filter is typically used during equalization for ___.

Options:

A.

Eliminating potential hissing sounds in the system.

B.

Removing rumble from an HVAC system.

C.

Adding emphasis to the lower frequency range.

D.

Adding hum to the system.

Question 120

What kind of facility might use a sound masking system?

Options:

A.

gymnasium

B.

library

C.

hospital

D.

shopping mall

Question 121

What connects two wires directly together?

Options:

A.

Closed end connectors

B.

HDMI connectors

C.

BNC connectors

D.

Butt splice connectors

Question 122

If a display with mounting hardware weighs 150 lb (68kg), you should use mounting criteria that will handle ____.

Options:

A.

150 lb (68kg)

B.

500 lb (225kg)

C.

750 lb (340 kg)

D.

1500 lb (680.4 kg)

Question 123

Which test verifies that a cable can transmit a signal from one end to another?

Options:

A.

Polarity test

B.

Impedance test

C.

Continuity test

D.

Signal sweep test

Question 124

Sound reinforcement systems are used to perform which of the following?

Options:

A.

reinforce the human voices only

B.

separate sound signals

C.

register outgoing sounds

D.

increase the sound distributed over a larger area

Question 125

Which of the following are features of an audio signal generator? (Choose all that apply.)

Options:

A.

Generates sine wave and other signals used for setting system levels

B.

Usually has both 1 kHz and 400Hz signal outputs

C.

With a properly calibrated signal, can determine signal bit rate

D.

Can be helpful in measuring distortion

Question 126

How can you access regional codes for safety procedures?

Options:

A.

Check with the client

B.

Check with local residents

C.

Check websites of standards organizations

D.

Check websites of manufacturers

Question 127

A technician installs a condenser microphone. It is not picking up audio. What is the MOST LIKELY cause?

Options:

A.

Pins 2 and 3 are swapped at the XLR connector

B.

The cable run is too long

C.

Phantom power is turned off

D.

The microphone is defective

Question 128

Which of the following is the AV team likely to perform during new construction?

Options:

A.

Install the sprinkler system

B.

Run cables and install mounts

C.

Mount the drop ceiling

D.

Build the firewall

Question 129

If an intended viewer needs to distinguish the finest details displayed, the designer/assessor should use the __________ Viewing Category.

Options:

A.

Basic Decision Making (BDM)

B.

Analytical Decision Making (ADM)

C.

Passive Viewing

D.

Full Motion Video

Question 130

A technician is servicing a projector with a problematic RGBHV input. The image has a magenta hue. What is the cause for the magenta hue?

Options:

A.

Loss of horizontal sync

B.

Loss of vertical sync

C.

Lamp is reaching end of life

D.

Loss of green signal

Question 131

Which part of the eye enables people to see at night?

Options:

A.

retina

B.

cones

C.

rods

D.

Iris

Question 132

In a _____ loudspeaker circuit, you will connect a positive wire from an amplifier to another positive wire on each of the loudspeakers in the circuit.

Options:

A.

Parallel

B.

Series

Question 133

A(n) _____ is a graphical representation of the microphone's directionality and electrical response characteristics.

Options:

A.

frequency response specification chart

B.

polar plot

C.

electrical output level diagram

D.

performance criteria circle graph

Question 134

What sort of electrical box should an installer use to house custom screen switches, small touch panels, or microphone plates?

Options:

A.

Equipment Racks

B.

Mud Rings

C.

NEMA Type 4

D.

Pull boxes

Question 135

The strength of the electrical audio signal from a microphone is called a(n) _____ level signal.

Options:

A.

mic

B.

dynamic

C.

condenser

D.

Electret

Question 136

Under normal circumstances, a ground wire carries _____.

Options:

A.

a line level signal

B.

a dangerously high voltage

C.

current to the main distribution panel

D.

no charge

Question 137

A limitation of using the RTA method to adjust equalization is:

Options:

A.

that it cannot differentiate between the direct loudspeaker sound and the interference from combined direct and reflected energy

B.

that an RTA is not available as a smartphone app, as computer software, or as dedicated hardware

C.

that it cannot differentiate between high and low frequencies

D.

that it is not legal in some jurisdictions

Question 138

When demonstrating the operation of a digital visual system with multiple connections for laptops, it is recommended to:

Options:

A.

Connect the laptops to confirm that they will properly display the resolution set by the EDID table

B.

Use a video test pattern generator to test all laptop connections

C.

Describe the different resolutions that the system is capable of displaying

D.

Utilize a real time generator to confirm that the system will output the proper resolution set by the EDID table

Question 139

What is an advantage of using an adjustable ceiling mount support structure?

Options:

A.

Allows for flexibility in the location of the mount

B.

Prevents a mount from separating

C.

Allows the set screws to stabilize

D.

Lowers the mount for easy projector maintenance

Question 140

Sound energy can reflect in either _____ fashion.

Options:

A.

backward or split

B.

direct or scattered

C.

reversed or diffused

D.

specular or broken

Question 141

You should use _____ to permanently secure cables in a rack.

Options:

A.

Wire ties

B.

Gaffer's tape

C.

Velcro fasteners

D.

Electrical tape

Question 142

Checking an electrical system for a _____ should only be performed with the aid of a qualified electrician.

Options:

A.

Hot/neutral swap

B.

Open ground-wiring error

C.

Hot/ground swap

D.

Neutral/ground swap

Question 143

A primary reason for attending construction meetings is to:

Options:

A.

Develop a relationship with the other people on the job

B.

Identify changes to the original design that will affect the AV installation

C.

Find out the project's completion date

D.

Submit invoices and other budget documentation

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Total 477 questions