LESSON 1
PRACTICE EXERCISE
The following items will test your grasp of the material covered in this lesson. There is only one correct
answer for each item. When you complete the exercise, check your answers with the key that follows.
If you answer any item incorrectly, study gain that part of the lesson which contains the portion
involved.
1.
Common-battery equipment is often housed in mobile shelters. The electrical power required to
operate these shelters is normally supplied by which of the following?
A.
Dry cells
B.
Wet cells
C.
Commercial power
D.
Power-generating equipment
2.
Which of the following is a sound-powered telephone?
A.
TA-312/PT
B.
TA-838/TT
C.
TA-1/PT
D.
TA-43
3.
Which telephone provides digital communications interface with TRI-TAC and MSE circuit
switches?
A.
TA-838/TT
B.
TA-954/TT
C.
TA-938/G
D.
TA-1035/U
4.
The _________________ is all analog. Today, we find most of them assigned to the Reserve
Components.
A.
AN/TTC-38
B.
AN/TTC-41A
C.
AN/TTC-46
D.
AN/TTC-39A
5.
The _________ provides two DCO circuits and NRI using the KY-90.
A.
AN/TTC-48
B.
AN/TTC-47
C.
AN/TTC-41A
D.
AN/TTC-46
SS 0029
1-30
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