Checking an electrical system for a _____ should only be performed with the aid of a qualified electrician.
Which type of control system provides device operation by opening or closing an electrical current or voltage loop?
A projector weighing 195 kilograms (429 pounds) should be mounted only to what type of surface?
A reference microphone for setting equalization of a speaker system should: (Choose all that apply.)
As light increases, _____ kicks in and adjusts until it has closed to its maximum.
Transmitters and receivers work by replacing a(n) _____ cable with a(n) ______ cable to forgo cable length limitations.
For wireless microphone transmitters and receivers to be paired, they must share the same group and ___.
HDCP is capable of working over which of the following interfaces? (Choose all that apply.)
If a digital signal is carried too far on a cable, the signal will become unreadable. This is called _____.
What method can a technician use onsite to verify that the AV device is set to the proper IP address?
Which mounting hardware will provide the MOST support when mounting a camera bracket to sheetrock/plasterboard not located near a wall stud?
What best describes the method of transmission of a typical wireless microphone?
Why is it a good idea for the AV installer to provide end-user training on a new system?
What are the methods used to cool an AV equipment rack? (Choose all that apply.)
Which topics should not be covered in an end-user training session? (Choose all that apply.)
What are the limitations of a Wi-Fi network for streaming live HD video? (Choose all that apply.)
Because electrets are small, they lend themselves to a wide variety of _____ and quality levels.
An architectural drawing was created using the SI scale of 1:200. You measure a distance of 13 millimeters on the drawing. What is the actual distance in millimeters?
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?
The permissible area for one cable in a conduit is limited to _____ percent of the conduit area.
When mounting a 34kg (75lb) projector with a 7kg (15lb) mount, the substructure should be able to support a minimum weight of:
Why is a plumb bob used during the installation process for a ceiling mounted projector?
Many amplifiers now have a built-in _______ to protect themselves from severe clipping and overdriving of the audio signal.
Which symbol helps an AV professional find their way around a construction site?
Modern RF wireless microphones allow the user to _____ frequencies to avoid interference.
If the audio digital signal processor you have to install is discontinued by the manufacturer, what should you do? (Select all that apply.)
There are three loudspeakers wired in parallel, and each loudspeaker's impedance is 8 ohms. Calculate the impedance of this circuit.
The number of ___ in the primary and secondary sides of a transformer determines the impedance and/or voltage ratio.
In the professional AV industry, the most common direct view displays are _____.
What is the total impedance in a loudspeaker circuit wired in parallel with the following specifications: Ten, 4 watt loudspeakers, one individual loudspeaker has a measured impedance of 1380 ohms using a 1 kHz tone.
The advantages of using a dual-channel FFT analyzer to adjust equalization include: (Choose all that apply.)
What are typical applications of a distributed loudspeaker system? (Choose all that apply.)
_____ refers to the hardware's elasticity. This is how much stress the material can withstand before it physically stretches.
Individual pieces of rack mounted equipment are separated by signal type because:
In an electrical power distribution installation, the safety earth/ground connects to: (Choose all that apply.)
In a rear projection system, light rays which reflect off the backside of the screen and strike the mirror more than once create _____.
Which abbreviation on a drawing tells you that you will not need to install a specific display screen?
Which of the following is the most important consideration during the installation of AV systems in a client-occupied space?
____ isolates and protects a signal from sources of electromagnetic and radio frequency interference.
Before decommissioning a system where existing components will be reused, the AV technician should:
During which phases of an AV project should performance verification be conducted? (Choose all that apply.)
Which test verifies that a cable can transmit a signal from one end to another?
If a fuse blows and you suspect there is a problem with high-voltage (AC mains) wiring, who should you contact immediately?
If existing components have to be reused in an AV system, what is a critical task that the installer must perform?
Crimp connections can be properly performed with which of the following tools:
For the purpose of sound reinforcement, loudspeakers are at the end of the _____ path.
_____ draws all the odd lines of a video signal from top to bottom, then all the even lines in the same order.
What are best practices when evaluating facility conditions of a space that is ready for installation? (Select all that apply.)
According to the ANSI/AVIXA V201.01:202X Image System Contrast Ratio (ISCR) standard, what is the minimum contrast ratio for basic decision-making tasks?
Which of the following documents should an AV integrator submit in the event that a manufacturer has discontinued a projector model?
Which of the following should be included in a Network Device Inventory? (Choose all that apply.)
Which of the following can be used to automatically turn off unused microphones?
Which device is used for sending the same video signal to multiple destinations?
When installing a wireless microphone receiver, what should you do with the antennas?
When dealing with an argumentative customer, what is the best way to understand why they are rejecting your suggestions?
When planning an electrical system, do not exceed ____ of the capacity of any circuit.
What is the primary reason an AV installer should attend weekly construction meetings?
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?
To avoid power and grounding issues, any audio cable longer than 15 feet (4.6 meters) should use _______.
Which type of conduit is the best choice for an electronically noisy environment because it offers physical and EMI protection?
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TESTED 18 Aug 2025
