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Many amplifiers now have a built-in _______ to protect themselves from severe clipping and overdriving of the audio signal.
If existing components have to be reused in an AV system, what is a critical task that the installer must perform?
If you are installing a ceiling mount that requires a pipe, what should you do after you mount the pipe flange to the adjustable ceiling mount?
Four factors related to primary optics that influence the quality of the projected image are _____.
Individual pieces of rack mounted equipment are separated by signal type because:
HDCP is capable of working over which of the following interfaces? (Choose all that apply.)
What is the primary reason an AV installer should attend weekly construction meetings?
What Viewing Category applies to a space used for word processing and spreadsheets?
When mounting a 75 lb projector with a 15 lbs mount, the substructure should be able to support a minimum of?
It is a best practice to choose a mount with a safety factor of at least _____.
What CLI command would you use to discover the IP address of a device you are currently using?
In an electrical power distribution installation, the safety earth/ground connects to: (Choose all that apply.)
Which of the following tasks would not be included in a preventive maintenance program? (Choose all that apply.)
Which of the following are elements of a control system? (Choose all that apply.)
When working with electrical systems, what should you do if two codes have conflicting requirements?
The different distributions of white light sources means that each white light_____.
____ isolates and protects a signal from sources of electromagnetic and radio frequency interference.
If a display has 800 pixels horizontally and 600 pixels vertically, what is its native resolution?
What assumptions should you make about an audio system when there is no audio output? (Choose all that apply.)
An architectural drawing was created using the U.S. customary scale of 1/8 inch = 1 foot. You measure a distance of 4.25 inches on the drawing. Which of the following is the actual distance in feet?
The refractive index varies for different wavelengths of light, producing an effect called _____.
A customer has recently changed their phone system from a traditional POTS line to VoIP based switch. The new VoIP switch still dials out properly, but no longer hangs up when the far end disconnects. What is most likely the problem?
Why do wall-mounted racks with swing-out glass doors require special attention during installation? (Choose all that apply.)
Which of the following information does the EDID packet contain? (Choose all that apply.)
If the audio digital signal processor you have to install is discontinued by the manufacturer, what should you do? (Select all that apply.)
When powering a system on, which device from the following list should you turn on last?
Which test verifies a signal can travel from one end of the cable to the other?
What are typical applications of a distributed loudspeaker system? (Choose all that apply.)
A ______ is a "seamless switcher" that synchronizes video transitions when in vertical retrace to ensure that transitions between sources are clean.
A typical flat panel mount has two pieces: the wall bracket and the ___ bracket.
In a BYOD setup, what will the end-user need to ensure future compatibility with their AV system?
There are three loudspeakers wired in parallel, and each loudspeaker's impedance is 8 ohms. Calculate the impedance of this circuit.
When mounting a projector to the ceiling, one must identify the center point location of the mounting assembly, because:
When applying electrical tape to a snout you should use _____ at the transitions to make the snout smooth and tapered.
What type of termination technique is used for a solid conductor RJ45 connector?
Checking an electrical system for a _____ should only be performed with the aid of a qualified electrician.
Which of these are layer 2 protocols commonly used to transport real-time media over a network? (Choose all that apply.)
When planning an electrical system, do not exceed ____ of the capacity of any circuit.
A _____ creates mechanical connections of the cables or circuit, like an on/off light switch. It creates a visible "glitch" in the video program.
What is the ratio between the remaining transmissive surface of each pixel and the total surface of the LCD called?
Which of the following factors is not related to the correct drilling of a pilot hole for mounting AV equipment?
_____ refers to the hardware's elasticity. This is how much stress the material can withstand before it physically stretches.
What piece of test equipment is used to measure speaker resistance in a 70v distributed audio system?
A(n) _____ is a graphical representation of the microphone's directionality and electrical response characteristics.
The total impedance of a circuit wired in series is represented by the formula _____.
The published design weight of a speaker array with mounting hardware totals 96 kilograms (212 pounds). What minimum weight should the substructure and mounting assembly be able to support?
What is a benefit of using the verification standard for system closeout? (Choose all that apply.)
Determine the wattage in a circuit measuring 120 volts with 15 amperes of current flow.
Draws the video image on the display in a sequence of lines from top to bottom:
Transmitters and receivers work by replacing a(n) _____ cable with a(n) ______ cable to forgo cable length limitations.
Which of the following are features of an audio signal generator? (Choose all that apply.)
A "just noticeable" change in sound pressure level, either louder or softer, requires a _____ change.
Which of the following should a maintenance log include? (Choose all that apply.)
____ is the number of times per second a display - a monitor, television, or projector - will draw the image sent to it.
What is a best practice when installing cables where there is no conduit or other raceway for ceiling-mounted projectors?
When training a customer on the operation of a touch panel interface, an example that the GUI is a good design that meets the customer's needs:
Why is it a good idea for the AV installer to provide end-user training on a new system?
There is a conflict between the wall plate height specified in AV documents and the height the electrical contractor is saying must be used on site. Which of the following forms would be used by the integrator to seek clarification of the correct mounting height of wall plates?
It is an industry best practice to use no less than _____ ISO rated hardware for an audio visual installation.
TESTED 18 Aug 2025