When mounting a 75lb (34 kg) projector with a 15lb (7 kg) mount, the substructure should be able to
support a minimum of:
a. 180lbs (82 kg)
b. 90lbs (41 kg)
c. 450lbs (204 kg)
d. 270lbs (122 kg) - c. 450lbs (204 kg)
Why is it essential to have hardware of the correct grade when preparing to m...
CTS-I
When mounting a 75lb (34 kg) projector with a 15lb (7 kg) mount, the substructure should be able to
support a minimum of:
a. 180lbs (82 kg)
b. 90lbs (41 kg)
c. 450lbs (204 kg)
d. 270lbs (122 kg) - c. 450lbs (204 kg)
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 - c. It provides a uniform standard of quality
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 - 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 - 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) - d. A video test generator (VTG)
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 - 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 - c. Identify and mark what is to be re-used
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 - c. 65ohms
When pulling cable in a commercial building, what is a major concern?
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ACADEMICMATERIALS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
