Free Certified Technology Specialist – Installation Practice Questions

A.  

They reduce feedback in an audio system.

B.  

They provide flexibility in rack wiring.

C.  

They increase the number of available inputs.

D.  

They are caused by multiple paths to ground.

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

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

A.  

Back box

B.  

Tile Bridge

C.  

Grille

D.  

Tile can

A.  

75%

B.  

95%

C.  

50%

D.  

25%

A.  

Bolts that are not pre-measured may pose a security risk

B.  

Bolts that are too short will not secure the display

C.  

Bolts that are too long can damage the mounting bracket

D.  

Bolts that are too short can damage the wall

A.  

Quiet ground

B.  

Individual branch circuit

C.  

Dedicated ground

D.  

Clean power

A.  

backward or split

B.  

direct or scattered

C.  

reversed or diffused

D.  

specular or broken

A.  

Is typically measured in decibels (dB SPL)

B.  

Is the ultimate method for quantifying background noise levels

C.  

Eliminates distortion in speech reinforcement

D.  

Can most accurately be measured with a Class 1 precision SPL meter

A.  

Ground-fault current path

B.  

Short

C.  

Ground-fault

D.  

Line-to-ground