AV TECHNOLOGIST EXAMS EVALUATION QUESTIONS AND
ANSWERS GRADED A+
✔✔width or height of the viewing cone - ✔✔As the gain of a screen increases, the ____
decreases.
color saturation
width or height of the viewing cone
screen width
acceptable viewer distance
✔✔the range of light frequencies the circuit emits - ✔✔What is a circuit's bandwidth?
the number of signals a circuit can carry
the highest frequency the circuit can carry
the range of light frequencies the circuit emits
the range of frequencies a circuit can detect
✔✔needs analysis - ✔✔What is the first step in the AV system creation process?
system support
needs analysis
installation
design
✔✔amplitude - ✔✔Which property of a wave determines the brightness of a light?
frequency
wavelength
amplitude
crest
✔✔doubled - ✔✔The area of illumination increases four times when the distance
between the light source and the illuminated area is _____.
doubled
quadrupled
tripled
halved
✔✔white - ✔✔What color is perceived when bright red, blue, and green light are mixed
together?
violet
white
brown
black
✔✔A group of functions activated by a single control input - ✔✔What is a macro in a
control system?
, A group of functions activated by a single control input
A type of system interface
A special type of control hardware
A control system programming language
✔✔red - ✔✔If the color temperature is low, the light will appear to be more _____.
green
gray
red
blue
✔✔twice - ✔✔In order to capture an analog signal accurately, the sampling rate must be
at least _____ the frequency.
equal to
half
ten times
twice
✔✔balanced - ✔✔What type of circuit is illustrated in the graphic below?
balanced
parallel
series
unbalanced
✔✔fall below a set threshold - ✔✔A gate function automatically mutes all audio signals
that _____.
fall within a selected frequency range
exceed a set sound pressure level
exceed a set threshold
fall below a set threshold
✔✔increases - ✔✔If the resolution of an image is increased, and sampling rate remains
the same, the signal bandwidth _____.
decreases
remains the same
changes depending on the image
increases
✔✔to safeguard persons and property - ✔✔What is the primary reason for electrical
codes and regulations?
to safeguard persons and property
to reduce noise in the audiovisual system
to give the electricity a place to return to ground (earth)
to prevent circuit failures
ANSWERS GRADED A+
✔✔width or height of the viewing cone - ✔✔As the gain of a screen increases, the ____
decreases.
color saturation
width or height of the viewing cone
screen width
acceptable viewer distance
✔✔the range of light frequencies the circuit emits - ✔✔What is a circuit's bandwidth?
the number of signals a circuit can carry
the highest frequency the circuit can carry
the range of light frequencies the circuit emits
the range of frequencies a circuit can detect
✔✔needs analysis - ✔✔What is the first step in the AV system creation process?
system support
needs analysis
installation
design
✔✔amplitude - ✔✔Which property of a wave determines the brightness of a light?
frequency
wavelength
amplitude
crest
✔✔doubled - ✔✔The area of illumination increases four times when the distance
between the light source and the illuminated area is _____.
doubled
quadrupled
tripled
halved
✔✔white - ✔✔What color is perceived when bright red, blue, and green light are mixed
together?
violet
white
brown
black
✔✔A group of functions activated by a single control input - ✔✔What is a macro in a
control system?
, A group of functions activated by a single control input
A type of system interface
A special type of control hardware
A control system programming language
✔✔red - ✔✔If the color temperature is low, the light will appear to be more _____.
green
gray
red
blue
✔✔twice - ✔✔In order to capture an analog signal accurately, the sampling rate must be
at least _____ the frequency.
equal to
half
ten times
twice
✔✔balanced - ✔✔What type of circuit is illustrated in the graphic below?
balanced
parallel
series
unbalanced
✔✔fall below a set threshold - ✔✔A gate function automatically mutes all audio signals
that _____.
fall within a selected frequency range
exceed a set sound pressure level
exceed a set threshold
fall below a set threshold
✔✔increases - ✔✔If the resolution of an image is increased, and sampling rate remains
the same, the signal bandwidth _____.
decreases
remains the same
changes depending on the image
increases
✔✔to safeguard persons and property - ✔✔What is the primary reason for electrical
codes and regulations?
to safeguard persons and property
to reduce noise in the audiovisual system
to give the electricity a place to return to ground (earth)
to prevent circuit failures
