Free CTS Installation and Systems Integration Test 2

Question 1

What should be done first if a control system’s touch screen is reported as locked, frozen, or otherwise not functioning?

Accepted Answer

Check all connectors; confirm the screen is not in power saver mode

Answer

Remove the device, switch it out, and return it to the manufacturer for diagnostic checks

Answer

Use a voltage meter to check for continuity, remove the motherboard and switch it out

Answer

Reroute all systems to the nearest functioning system

Question 2

The customer demands a front projection system. What drawings should be acquired from the customer in order to pick the proper lens?

Accepted Answer

Reflected elevations and ceiling plans

Answer

Structural and electrical designs

Answer

Floor layouts and wall detailing

Answer

Details on the building section and millwork

Question 3

Noise in a space can distract users and reduce the efficacy of an audiovisual system. Which one of the following produces mechanical and structural noise?

Accepted Answer

HVAC fans, diffusers, and air handlers

Answer

Reflected ceiling plans and elevations

Answer

Why the VLAN is necessary

Answer

A signal generator and signal analyzer

Question 4

What is the most likely cause of the projector's frequent power failure?

Accepted Answer

Overheating caused by a filthy filter or a malfunctioning cooling fan

Answer

Overcharging of the projector battery after prior use

Answer

A fluctuation in the power outlet results in an electrical surge to the ground

Answer

Insufficient bandwidth to support picture resolution

Question 5

What may be the cause of a laptop-connected projector not displaying a projected image?

Accepted Answer

Ensure that the laptop's screen port has been activated using the appropriate function keys

Answer

Ensure that the laptop is exclusively powered by its battery

Answer

Ensure the connection is RJ-45 over a HDBaseT-enabled network

Answer

Ensure that you utilized an HD-15 to composite video output adaptor

Question 6

How does an AV system designer estimate the needed frequency response of an audio system?

Accepted Answer

The frequency response should depend on the sort of applications the audio is designed to serve.

Answer

The audio system output frequency response should correspond to the frequency response of the audio source components.

Answer

The designer should strive to produce as broad a frequency response as feasible given the project budget.

Answer

The audio system's frequency response should be within the industry standard of 20Hz to 20kHz.

Question 7

The sound energy of a loudspeaker, for example, decreases as the listener travels away from it. Which formula would you use to calculate the decline in acoustic energy if the user traveled from 6 to 12 meters away from a sound source, using the inverse square law?

Accepted Answer

dB = 20 log(6 meters/12 meters)

Answer

dB = 20 log(6 meters = 12 meters)

Answer

dB = 20 log(12 meters/6 meters)

Answer

dB = 20 log(6 meters × 12 meters)

Question 8

Which of the following scenarios is most likely to cause excessive high-frequency hiss in an audio system?

Accepted Answer

Poor gain structure

Answer

Poor compression

Answer

Noise gate thresholds set too low

Answer

Source output gain is set too high

Question 9

Once the features of the system breakdown have been recognized, what is the suggested next step to restore normal operation?

Accepted Answer

Examine the system to see if the problem is straightforward to solve and gather further information

Answer

Logically divide the system in half, and discover which half has the failure

Answer

Request that the user provide a more detailed description of the situation

Answer

Replace the component that appears to have failed

Question 10

An amplifier can provide 100 watts at 2 ohms. How many 8-ohm speakers may be linked in parallel without surpassing the amplifier's capacity?

Accepted Answer

4

Answer

3

Answer

2

Answer

1