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Infocomm AV Essentials Section Tests - Signal Management Systems

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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 tr... ansfer 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]

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