LESSON 2
COMPREHENSIVE PRACTICE EXERCISE
1.
The quarter-wave formula is--
a.
492/f.
b.
468/f.
c.
492(N-.05)/f.
d.
234/f.
2.
Using the 15-foot ground wave chart on page 159, which frequency
has the longer ground-wave range?
a.
2 MHz.
b.
3 MHz.
c.
15 MHz.
d.
30 MHz.
3.
How can you make a whip more efficient?
a.
Make it a full-wave long at the operating frequency.
b.
Make it a quarter-wave at the operating frequency.
c.
Make it shorter than 15 feet.
d.
Ground the antenna.
4.
A 30 MHz frequency's communication range can be increased the
most by using a--
a.
whip.
b.
half rhombic.
c.
doublet.
d.
ground plane.
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