CTS-I exam questions latest update
(2025-2026) and correct actual
answers
What is the total impedance (rounded) of 10 loudspeakers tapped at 7.5w each in a 70v,
distributed system?
a. 128 ohms
b. 80 ohms
c. 65 ohms
d. 8 ohms - answers✔✔c. 65ohms
An amplifier can supply 100w at 2 ohms. How many 8 ohm speakers can be wired in parallel
without exceeding the capabilities of amplifier?
a. 2
b. 3
c. 1
d. 4 - answers✔✔d. 4
Before audiovisual equipment can be brought to a site what MUST occur?
a. General contractor must obtain a CO
b. The site must be clean and dust free
c. All cable must be installed
d. The rack must be wired - answers✔✔b. The site must be clean and dust free
, Which device is used to verify signal integrity throughout a video system?
a. A volt meter to check resistance
b. A multi-meter
c. A Video Optimization meter (VOM)
d. A video test generator (VTG) - answers✔✔d. A video test generator (VTG)
Why is it essential to have hardware of the correct grade when preparing to mount projectors,
screens, or any assemblies?
a. They detract from installation appearance
b. It is more cost effective
c. It provides a uniform standard of quality
d. To ensure that the steel is not tempered - answers✔✔c. It provides a uniform standard of
quality
Why is a plumb bob used during the installation process for a ceiling mounted projector?
a. To locate high pressure fire control water lines
b. To locate the spot on the ceiling tile for the projector mount opening
c. To calculate the throw line distance to the screen from the mount
d. To locate a direct line for stable mounting - answers✔✔b. To locate the spot on the ceiling tile
for the projector mount opening
When removing existing cabling, the AV technician should:
a. Should cut all cables
b. Make a drawing of how the system is wired
c. Identify and mark what is to be re-used
d. Abandon old cabling - answers✔✔c. Identify and mark what is to be re-used
(2025-2026) and correct actual
answers
What is the total impedance (rounded) of 10 loudspeakers tapped at 7.5w each in a 70v,
distributed system?
a. 128 ohms
b. 80 ohms
c. 65 ohms
d. 8 ohms - answers✔✔c. 65ohms
An amplifier can supply 100w at 2 ohms. How many 8 ohm speakers can be wired in parallel
without exceeding the capabilities of amplifier?
a. 2
b. 3
c. 1
d. 4 - answers✔✔d. 4
Before audiovisual equipment can be brought to a site what MUST occur?
a. General contractor must obtain a CO
b. The site must be clean and dust free
c. All cable must be installed
d. The rack must be wired - answers✔✔b. The site must be clean and dust free
, Which device is used to verify signal integrity throughout a video system?
a. A volt meter to check resistance
b. A multi-meter
c. A Video Optimization meter (VOM)
d. A video test generator (VTG) - answers✔✔d. A video test generator (VTG)
Why is it essential to have hardware of the correct grade when preparing to mount projectors,
screens, or any assemblies?
a. They detract from installation appearance
b. It is more cost effective
c. It provides a uniform standard of quality
d. To ensure that the steel is not tempered - answers✔✔c. It provides a uniform standard of
quality
Why is a plumb bob used during the installation process for a ceiling mounted projector?
a. To locate high pressure fire control water lines
b. To locate the spot on the ceiling tile for the projector mount opening
c. To calculate the throw line distance to the screen from the mount
d. To locate a direct line for stable mounting - answers✔✔b. To locate the spot on the ceiling tile
for the projector mount opening
When removing existing cabling, the AV technician should:
a. Should cut all cables
b. Make a drawing of how the system is wired
c. Identify and mark what is to be re-used
d. Abandon old cabling - answers✔✔c. Identify and mark what is to be re-used
