Lesson 1
Learning Events 7, 8, and 9
PRACTICE EXERCISE
1.
What is the distance covered by the video erase head covers?
a.
1/4 tape width
c.
3/4 tape width
b.
1/2 tape width
d.
1 tape width
2.
What are the physical dimensions track width of an audio record/play back head?
a.
.0012 to .0043 miles
c.
.12 to .43 mils
b.
0.12 to .043 mils
d.
1.2 to 4.3 mils
3.
To what frequency range is the control track record/playback head set?
a.
High frequency range
c.
Audio-frequency range
b.
Video-frequency range
d.
FM-frequency range
4.
With what is each core value wound?
a.
Nonmagnetic separators
c.
Steel wire
b.
Special magnetic alloy
d.
Tin wire
5.
What is the head-to-tape negative clearances on a video record/reproduce head?
a.
Approximately
1
to
2
mils
b.
Approximately
2
to
3
mils
c.
Approximately
3
to
4
mils
d.
Approximately
4
to
5
mils
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