18.
Lanterns and flashers are often used to protect
work
areas
and
equipment. When used for this purpose, they are lit
a.
one-half hour after sunset, inspected for proper flashing rate,
and checked for proper operation.
b.
one-half hour before sunset, inspected for proper flashing rate,
and checked for proper operation for at least 5 minutes.
c.
one-half hour before sunset, adjusted for proper flashing rate,
and checked for proper operation for at least 5 minutes.
d.
at sunset, inspected and adjusted for proper flashing rate, and
checked for proper operation for at least 5 minutes.
19.
Visual signals are often used by construction crews to direct certain
operations. The signalman stands so that he can be clearly seen, and
colored and checkered flags are used
a.
as warning signals.
b.
as directional signals.
c.
to increase range visibility.
d.
to increase speed of execution.
20.
Construction records include the project engineer's route maps and
detailed plans of the wire and cable plant. These maps and plans are
corrected and filed. How long are these records maintained?
a.
Until the area is rezoned
b.
Until the next expansion is completed
c.
As long as they are needed, but never over 20 years
d.
As long as the plant is operating or on standby status
CHECK YOUR ANSWERS WITH LESSON SOLUTION SHEET (PAGES 20, 21, 22) AND MAKE
NECESSARY CORRECTIONS.
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