LESSON 3
PRACTICE EXERCISE
(PERFORMANCE-ORIENTED/TEST VERSION 1)
In each of the following questions, select the answer which best completes or answers the
question. Indicate your answer by circling the correct letter below.
1.
AS a telephone installer you must also know how to find the problem with telephones that are
already installed. This process is called troubleshooting. Before you proceed to troubleshoot any
problem on a substation, what is a very important step that should be completed first?
a. Contact the user to verify the trouble.
b. Call the weather bureau to confirm the weather conditions.
c. Check to determine how long the line has been in service.
d. Perform a transmission test to determine the condition of the instrument.
2.
You have completed the process of clearing a problem on a substation. What is the final step
you must perform in the troubleshooting process?
a. Complete a DA Form 3938.
b. Call your immediate supervisor.
c. Call the test desk for test board for a check.
d. Tell the user his phone is working.
3.
Troubles consist of opens, shorts, grounds and crosses. What is one reason for the line to be
considered open?
a. You can talk to more than one user at a time.
b. You have a loud hum on the line.
c. Water has settled in the line at a connecting point.
d. The drop wire has a dirty or loose connection.
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