Which statement accurately describes what you should do when de-installing existing equipment?
A ____ is an electrical problem that has two points of failure.
_____ draws all the odd lines of a video signal from top to bottom, then all the even lines in the same order.
The minimum SAE grade rating recommended for AV mounts is:
When is a request for change (RFC) document used?
What does load limit refer to?
____ is the number of times per second a display - a monitor, television, or projector - will draw the image sent to it.
Which type of control system provides device operation by opening or closing an electrical current or voltage loop?
Under normal circumstances, a ground wire carries _____.
Typically, what type of connector finishes the shielded twisted pair cable?
Why should you avoid coiling power cables within a rack?
What function does a timesheet serve?
If sound energy is absorbed by the materials in the space, it has _____.
Native resolution is the ___ resolution for the display.
Which of the following is allowed by a parametric equalizer?
Equipment grounding involves ____.
In the professional AV industry, the most common direct view displays are _____.
What connects two wires directly together?
Which abbreviation on a drawing tells you that you will not need to install a specific display screen?
Which of the following is mic-level voltage?
Which topics should not be covered in an end-user training session? (Choose all that apply.)
Most transformers have multiple wires on the primary side that allow you to adjust the ____ each loudspeaker.
An element is __________.
What are key considerations when determining projector placement? (Choose all that apply.)
How could you secure a Blu-ray player in a rack for stability?
What are the primary colors of light?
_____ are the result of a(n) _____ reflection.
When mounting a 34kg (75lb) projector with a 7kg (15lb) mount, the substructure should be able to support a minimum weight of:
Two common scales used on technical drawings are ____.
Heat shrink tubing is used to:
What are best practices when evaluating facility conditions of a space that is ready for installation? (Select all that apply.)
Which of the following are features of an audio signal generator? (Choose all that apply.)
What unit is used to express decibel changes in voltage in professional audio equipment?
Before entering a construction site, safety coordination and requirements should be discussed with the:
How many conductors (pins) do most XLR connectors have?
Different colors of light vary in __________.
When working with electrical systems, what should you do if two codes have conflicting requirements?
What kind of facility might use a sound masking system?
Which of the following is true of rack cable service loops?
Low impedance microphones _________.
The point at which power enters a building is called the _____.
What should you do with the case number or barcodes of unloaded equipment?
How much pulling tension would a 24 AWG microphone cable with a 24 AWG signal cable shield drain wire be able to sustain?
Impedance ratings of _____ ohms are common.
Before submitting AV System drawings to external project stakeholders, the integrator should conduct an internal review of the drawings to ensure that _____.
What document is used to account for lost time due to other trades during a project?
According to InfoComm best practices, why should you use pre-measured bolts when connecting a mounting bracket to a flat panel display?
Which of the following describes the number of cycles in a given time period?
What piece of test equipment is used to measure speaker resistance in a 70v distributed audio system?
On a projection screen, hot spotting appears as a _____.
What are possible reasons for no picture on the screen? (Choose all that apply.)
Which of the following tasks should be done when you arrive on the jobsite for an installation?
What is the total impedance (rounded) of 10 loudspeakers tapped at 7.5 watts each in a 70v distributed system?
An AV rack is a housing unit that _____ electronic equipment.
Which of the following should you do with damaged electrical cable?
The second conductor of an unbalanced circuit _____.
What are the five stages of the typical AV process lifecycle?
As a general rule, never bend cable in a radius of less than _____.
An analog computer video display signal has _____ parts.
When a live microphone is placed too close to a loudspeaker, ____ will occur.
An AV Expert has the highest level of control when it comes to __________.
Three major formats of digital connections are _____.
_____ are required when multiple video sources must be displayed on different video displays, or in different zones.
Phantom power typically ranges from _____ VDC.
Sound energy can reflect in either _____ fashion.
In a BYOD setup, what will the end-user need to ensure future compatibility with their AV system?
Which of the following is the best definition of aspect ratio?
A rack unit is equivalent to approximately ____.
Which of these are layer 2 protocols commonly used to transport real-time media over a network? (Choose all that apply.)
Which meter is often found in audio mixers?
Dynamic microphones are versatile because they _____.
The number of ___ in the primary and secondary sides of a transformer determines the impedance and/or voltage ratio.
Which of the following choices lists the correct pinouts for the T-568A end of a crossover network cable (pin 1-8):
Lower sensitivity microphones _____.
Which set of drawings should you reference to view the ductwork that goes through the building?
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:
In a projected image, adding colors makes the image _____.
This conduit type forms a lightweight continuous flexible tube that offers the advantage of EMI protection.
OLEDs are _____ type devices.
The fill light does which of the following?
If you go up one octave from 250 Hz, you arrive at _____.
Oscillating symbol 'tilde' ~ with Resistor IMAGE
WHAT IS IS?
Where should you bundle a permanently attached power cord in a rack?
How do you determine bolt depth?
LCDs first pass light through a ____, which blocks certain light waves.
DISCAS addresses the following viewing categories:
Which component would you use to distribute video from multiple sources to many displays or in different zones?
Why do wall-mounted racks with swing-out glass doors require special attention during installation? (Choose all that apply.)
Wavelength and frequency determine the __________ of sound, while amplitude determines the __________.
What is the function of cable shielding?
What sort of document tells you where and how to install audio components?
Checking an electrical system for a _____ should only be performed with the aid of a qualified electrician.
In an electrical power distribution installation, the safety earth/ground connects to: (Choose all that apply.)
What mechanism scans light across the screen in a laser projector?
Where should a line driver be installed?
Besides a power switch, what else can modern amplifiers have?
What type of termination technique is used for a solid conductor RJ45 connector?
Which of the following documents should an AV integrator submit in the event that a manufacturer has discontinued a projector model?
Rack blanks serve two functions: aesthetics and _____.
One obstacle to the usage of OLEDs is their ____.
If the measured power in a circuit is 5W, and the current is 1.5 amps, what is the voltage?
The amplifier comes right before _____ in the audio system chain.
Perceived illumination decreases by _____ when the distance from a light source is doubled.
Which sequence of numbers depicts part of a logarithmic scale?
The projector offset is:
Before installation begins, it is most important to:
Which type of conduit is the best choice for an electronically noisy environment because it offers physical and EMI protection?
There are three loudspeakers wired in parallel, and each loudspeaker's impedance is 8 ohms. Calculate the impedance of this circuit.
Which device provides a direct physical connection between multiple nodes?
Pressurization cools a rack by _____.
The total impedance of a circuit wired in series is represented by the formula _____.
When plotting a cable route, where should you place the cable?
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?
Which is an RS232 parameter?
For an ethernet cable (UTP) to meet certification standards, the maximum length is
What will a stakeholder analysis help you identify?
It is a best practice to choose a mount with a safety factor of at least _____.
A projector weighing 195 kilograms (429 pounds) should be mounted only to what type of surface?
To find the aspect ratio of a screen, you must _____.
In a loudspeaker circuit, what color wire carries the negative (-) current?
In which situations or environments is the system optimization method of gain adjustment preferable to the unity gain method? (Choose all that apply.)
What type of cables are most susceptible to becoming damaged if bend radius is exceeded?
Which of the following are limitations of an IR control system? (Choose all that apply.)
In the OSI Model, Ethernet and switches are elements of:
The ____ prevents an electric front projection screen from rising too much.
How can you secure cargo on a truck?
Which set of drawings would you reference to locate the power outlet for a video display?
Which of the following factors is not related to the correct drilling of a pilot hole for mounting AV equipment?
You should use _____ to permanently secure cables in a rack.
A ______ is a "seamless switcher" that synchronizes video transitions when in vertical retrace to ensure that transitions between sources are clean.
The two Ethernet standards for an 8-pin modular connector (sometimes called an RJ45) termination are:
Numerous, persistent reflections of sound are called _____.
What causes the majority of problems in electronic systems?
Each loudspeaker in a constant voltage system has a _____ mounted to it.
The advantages of using a dual-channel FFT analyzer to adjust equalization include: (Choose all that apply.)
Horizontal-sync pulses time the edges of an image by defining the point where pixels _____.
What type of fiber termination has an insert and twist connection?
What type of rack would you use for an AV event at a remote location?
Heat dissipated by equipment in an AV rack is measured in:
The primary purpose of a sound masking system is to _____.
What is industry best practice for ensuring that all equipment has been delivered to the site for an AV event?
When dealing with an argumentative customer, what is the best way to understand why they are rejecting your suggestions?
Which of the following is an essential deliverable before sign-off?
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