Lesson 3/Practice Exercise
PRACTICE EXERCISE FOR LESSON 3
Instructions
You have just finished reading the instructional material for Lesson 3.
This lesson covered operator corrective maintenance of the M12A1 PDDA. It
is now time to check your understanding of the lesson.
This is done by
completing the practice exercise below. All of the questions are multiple-
choice and are intended to measure your understanding of the procedures used
in performing the task. There is only one correct answer to each question.
Try to answer all of the questions without referring to the lesson material.
When you have completed all of the questions, turn the page and check your
answers against the correct responses. Each correct response is referenced
to specific portions of the lesson material so that you can review any
questions you have missed or do not understand.
When you have completed
your review, continue to the next lesson.
1.
What must the operator do, once a problem is identified?
a.
Perform repairs.
b.
Perform a service.
c.
Identify the probable cause.
d.
Notify organizational maintenance.
2.
Leakage around the refractory gasket indicates a problem with the
a.
shower assembly.
b.
pump unit.
c.
tank unit.
d.
3.
What must be done prior to entering the tank unit?
a.
Inspect the tie-downs.
b.
Flush the tank.
c.
Close the drain valve.
d.
Install the hopper assembly.
4.
A probable cause of an overheating pump is
a.
pump is worn.
b.
pump drive pulley is loose.
c.
pump mountings are loose.
d.
drive belt is worn.
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