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When planning an electrical system, do not exceed ____ of the capacity of any circuit.
A technician is servicing a projector with a problematic RGBHV input. The image has a magenta hue. What is the cause for the magenta hue?
When powering a system on, which device from the following list should you turn on last?
What should you be aware of when installing an electric front-projection screen? (Choose all that apply.)
The total impedance of a circuit wired in series is represented by the formula _____.
Which of the following should be included in a Network Device Inventory? (Choose all that apply.)
_____ refers to the hardware's elasticity. This is how much stress the material can withstand before it physically stretches.
____ transfers audio, video, power, and data signals all over one cable at 10Gbps in two directions.
Where do you place the wireless microphone receiver antenna in a rack assembly?
When demonstrating the operation of a digital visual system with multiple connections for laptops, it is recommended to:
If a display with mounting hardware weighs 150 lb (68kg), you should use mounting criteria that will handle ____.
When incoming light waves are reflected in multiple angles, this is called _____.
A typical flat panel mount has two pieces: the wall bracket and the ___ bracket.
In the conduit capacity formula, the two symbols used are ___ diameter of the conduit and ____ diameter of the cable.
What is industry best practice for ensuring that all equipment has been delivered to the site for an AV event?
What best describes the method of transmission of a typical wireless microphone?
What should you do with equipment manuals and software documentation? (Choose all that apply.)
What are the methods used to cool an AV equipment rack? (Choose all that apply.)
A _____ creates mechanical connections of the cables or circuit, like an on/off light switch. It creates a visible "glitch" in the video program.
If the measured power in a circuit is 5W, and the current is 1.5 amps, what is the voltage?
In a BYOD setup, what will the end-user need to ensure future compatibility with their AV system?
What is a best practice when installing cables where there is no conduit or other raceway for ceiling-mounted projectors?
What type of rack would you use for a room with limited space for servicing equipment?
Which of the following tasks should be done when you arrive on the jobsite for an installation?
What are best practices when evaluating facility conditions of a space that is ready for installation? (Select all that apply.)
When mounting a projector to the ceiling, one must identify the center point location of the mounting assembly, because:
Which type of microphone exhibits more pickup at the rear than a supercardioid?
What method can a technician use onsite to verify that the AV device is set to the proper IP address?
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 is:
When applying electrical tape to a snout you should use _____ at the transitions to make the snout smooth and tapered.
HDCP is capable of working over which of the following interfaces? (Choose all that apply.)
Which test verifies a signal can travel from one end of the cable to the other?
The two Ethernet standards for an 8-pin modular connector (sometimes called an RJ45) termination are:
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?
What is a benefit of using the verification standard for system closeout? (Choose all that apply.)
Which set of drawings would you reference to locate the power outlet for a video display?
You have a cable with a part number "RGB5C-25-CM." What is the wire gauge of this cable?
Before decommissioning a system where existing components will be reused, the AV technician should:
When mounting a 75lb (34 kg) projector with a 15lb (7 kg) mount, the substructure should be able to support a minimum of:
Which of the following should a maintenance log include? (Choose all that apply.)
Which type of conduit is the best choice for an electronically noisy environment because it offers physical and EMI protection?
What is a power system that is solely used for computer and electronic systems called?
The difference between the loudest and quietest levels of an audio signal is the:
Why is a plumb bob used during the installation process for a ceiling mounted projector?
What is the ratio between the remaining transmissive surface of each pixel and the total surface of the LCD called?
Draws the video image on the display in a sequence of lines from top to bottom:
Most transformers have multiple wires on the primary side that allow you to adjust the ____ each loudspeaker.
_____ is the distance in meters between two corresponding points of two consecutive cycles.
What is the total impedance (rounded) of 10 loudspeakers tapped at 7.5 watts each in a 70v distributed system?
In a dynamic microphone, there is a(n) _____ attached to a diaphragm and placed in a permanent magnetic field.
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?
Which mounting hardware will provide the MOST support when mounting a camera bracket to sheetrock/plasterboard not located near a wall stud?
TESTED 18 Aug 2025