CTS Skills

Question 1

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 ground

Answer

Insufficient bandwidth to support picture resolution

Question 2

How should an AV manager assist the staff's continuing technical education?

Accepted Answer

Maintain current certifications, offer training and professional development opportunities.

Answer

Encourage employee growth by giving free travel wherever available.

Answer

Give staff an unrestricted stipend to spend on curriculum and equipment.

Answer

Maintain a flexible leave policy to provide employees as much time off as possible.

Question 3

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 4

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

Accepted Answer

The frequency response should be depending 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 5

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 6

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

Accepted Answer

Poor gain structure

Answer

Noise gate thresholds set too low

Answer

Poor compression

Answer

Source output gain is set too high

Question 7

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 8

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

Question 9

Which mounting hardware will offer the best stability when attaching a camera bracket on sheetrock/plasterboard that is not near a wall stud?

Accepted Answer

Snap toggles / hollow wall anchors

Answer

Plastic wall anchors / wall plugs

Answer

Masonry bolts

Answer

Self tapping screws

Question 10

A technician sets up a condenser microphone. It isn't picking up sounds. What's the most likely reason?

Accepted Answer

Phantom power is turned off

Answer

The microphone is malfunctioning

Answer

Pins 2 and 3 are switched at the XLR connection

Answer

The cable is excessively lengthy