Questions and Answers
decrease in signal strength or amplitude CORRECT ANS-A signal transmitted at the proper
level will _____ over distance.
decrease in signal strength or amplitude
pick up additional harmonics to the fundamental frequency
decrease in signal frequency
maintain signal level
decreased CORRECT ANS-If voltage stayed the same and current increased, resistance
would have _____.
increased
stayed the same
reversd polarity
decreased
LCD CORRECT ANS-Which of the following display technologies are transmissive?
Virtual reality headsets
Interactive whiteboards
, EXAM: AVIXA Recognized AV Technologist Test|99
Questions and Answers
LCD
LED
It lights the background and adds depth CORRECT ANS-What is the purpose of a wall wash
in a three-point lighting system?
It fills in shadows cast by other lights
It is the brightest light on the subject
It lights the background and adds depth
It creates an outline around the subject to separate it from the background
to determine the most appropriate seating layout and screen position CORRECT ANS-What
does a sightline study determine?
to determine room size
to determine how many people should be in a room while observing a display
to determine table and chair spacing
to determine the most appropriate seating layout and screen position
, EXAM: AVIXA Recognized AV Technologist Test|99
Questions and Answers
capture high sound pressure level sources, such as a singer CORRECT ANS-Lower sensitivity
microphones may be used in order to _____.
reduce the energy consumption of an audio system
save money in applications where audio is unimportant
capture low sound pressure level sources, such as a soft-spoken presenter
capture high sound pressure level sources, such as a singer
the number of times a complete cycle occurs per second CORRECT ANS-What is the
definition of "frequency?"
the cycle when molecules move from rest through compression to rest to rarefaction
the physical distance between two points of a waveform
the number of times a complete cycle occurs per second
the intensity or loudness of a sound in a particular medium
They are used for speech applications, such as meetings. CORRECT ANS-Which of the
following statements about automatic mixers in audio applications is true?
They are used for speech applications, such as meetings.
They only work for program audio applications, such as music.
, EXAM: AVIXA Recognized AV Technologist Test|99
Questions and Answers
They can only adjust one channel at a time.
They require live personnel for operation.
ultraviolet CORRECT ANS-What type of wave has the highest frequency in the range of the
electromagnetic spectrum?
ultraviolet
infrared
microwaves
radio frequencies
carrier frequency CORRECT ANS-The dimensions of antennas used for RF transmission are
directly related to the _____.
carrier frequency
retransmit location
program content
height of the antenna above the ground