Infocomm AV Essentials Section Tests -
Signal Management Systems
The inside of a typical AV rack is _____ wide, while the outside varies from _____. -
✔✔19 inches, 21 to 25 inches
Effective transfer of a signal is th
...
Infocomm AV Essentials Section Tests -
Signal Management Systems
The inside of a typical AV rack is _____ wide, while the outside varies from _____. -
✔✔19 inches, 21 to 25 inches
Effective transfer of a signal is the purpose of _____. - ✔✔the signal management
system
The path on which signal types travel is called _____. - ✔✔signal flow
The purpose of shielding is to prevent _____ from mixing with the signal. - ✔✔noise
Which of the following is found within a cable? - ✔✔multiple insulated conductors
What type of conductor is relatively inflexible but can withstand more strain? - ✔✔solid
conductor
Besides size, what are two other ways conductors are classified? - ✔✔construction and
conductive material
One of the primary purposes of insulation is to _____. - ✔✔prevent physical contact
between multiple conductors
Wire insulation is typically made of materials such as ____. - ✔✔PVC
_____ shielding uses a thin sheet of aluminum. - ✔✔Foil
Combination shielding uses _____. - ✔✔foil and braided shielding
Polyethylene jackets are only for outdoor use because they are _____. - ✔✔easily
flammable
______ jackets are expensive and hard to work with. - ✔✔Teflon
Coaxial cables have _____ and are primarily used for _____. - ✔✔a single center
conductor; video signal connections
Twisted pair cable using balanced circuitry can help in _____. - ✔✔rejecting
interference
An example of a connector that mates by contact pressure is a(n) _____. - ✔✔RCA
An example of a connector that mates by twisting and locking is a(n) _____. -
✔✔Speakon
The property of a circuit that opposes change in voltage is _____. - ✔✔inductance
The property of a circuit that opposes change in current is called _____. -
✔✔capacitance
Unless amplified, digital signals generally do not travel as far as _____ signals. -
✔✔analog
When transmitted over a certain distance, the signal will _____. - ✔✔decrease in
strength
Switchers _____. - ✔✔allow the user to select one input from a number of inputs
A 4X2 matrix switcher _____. - ✔✔can connect any of 4 inputs to any or both of 2
outputs
What does a distribution amplifier do? - ✔✔Accepts a single signal input and distributes
the signal to two or more outputs
An AV rack is a housing unit that _____ electronic equipment. - ✔✔protects and
organizes
[Show More]
.png)
.png)
