Lesson 3
Learning Events 1 and 2
PRACTICE EXERCISE
1.
What are the purposes of the two (2) wires in a coaxial cable?
a.
Hot wire, B+ lead
c.
Ground conductor, hot wire
b.
Hot ground, hot wire
d.
Hot conductor, ground wire
2.
What are the purposes of each of the three pins in a three conductor plug?
a.
Ground, conductor and connection
b.
B+, signal shield and hotwire
c.
Signal wire, hot wire, safety shield
d.
Male plug, female plug, and neutral plug
3.
What term would you use when referring to the connection of a recorder to an
input or output source?
a.
Interconnecting
c.
Plugging
b.
Patching
d.
System mounting
4.
What are the two types of video outputs on most recorders?
a.
Patched video and line in out
b.
Record video and playback video
c.
Composite video signal and RF signal
d.
Sync video and AFC signal
5.
Coaxial cable impedance is determined by cable construction, the thickness of
the hot conductor and ground, and what other factor?
a.
Signal strength input
b.
Number of line amplifiers needed in a circuit
c.
Distance between the inner core conductor and outer ground
d.
Number of connections required on a distribution circuit
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