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1–40.
1-41.
1–42.
1-43.
What letter precedes all auxiliary
and supplementary circuit
designations?
1. J
2. Z
3. X
4. W
Supplementary circuits are normally
identified as what category of
circuit?
1.
Switchbox
2.
String
3.
Switchboard
4.
Series
Which of the following advantages
does the selector switch have over
the single circuit jackbox?
1.
2.
3.
4.
It enables the control station
to monitor all circuits
It allows the phone talker to
talk on any one of several
circuits by turning the rotary
dial
It provides alternate circuits
if a malfunction occurs in the
circuit
It reduces the amount of single
jackboxes necessary when space
is limited
What precaution has been taken to
protect the auxiliary circuit when
damage occurs to the primary
circuit?
1.
2.
3.
4.
The wiring is wrapped in a
special insulation for
protection
The wiring is placed as close
as possible
to the centerline
of the ship
The wiring is separated as much
as practicable from the primary
wiring
The wiring is placed inside
kevlar tubes
1-44.
1-45.
1-46.
1-47.
1-48.
1-49.
What does the letter J indicate in
sound-powered circuit designations?
1.
Primary circuits
2.
Supplementary circuits
3.
General purpose
4.
Sound power
Which of the following circuits is
the captain’s battle circuit?
1.
JA
2.
JL
3.
JX
4.
JG
Which of the following circuits is
the ship-control bearing circuit?
1.
JG
2.
JX
3.
JW
4.
JL
What will happen if you have the
earpiece on your headset turned
away from your head?
1.
The phones will pick up
distracting noises
2.
The earpiece transmitter will
short out and be useless when
you need it
3.
YOU will damage your hearing if
you are in a noisy space
4.
You will not hear important
messages
what does the letter S indicate in
a sound powered circuit
designation?
1.
Sonar
2.
Sound power
3.
Supplementary
4.
General Purpose
What are the names of the three
types of sound-powered telephone
circuits?
1.
Switchbox, series, and string
2.
Series, switchboard, and string
3.
Parallel, switchbox, and string
4.
String, switchbox, and
switchboard
5
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