LESSON 4
PRACTICE EXERCISE
The following items will test you grasp of the material covered in this
lesson. There is only one correct answer for each item. When you complete
the exercise, check you answer with the answer key that follows.
If you
answer any item incorrectly, study again that part of the lesson which
contains the portion involved.
Situation: Your unit must conduct monitoring and survey in the fallout area.
You must ensure this information is accurate and provided promptly to
headquarters.
1.
Which RADIAC instrument is used to measure old fallout contamination,
normally H+48 hours or over?
A.
AN/PDR-60
B.
AN/PDR-75
C.
AN/VDR-2
D.
IM-174
2.
What is the purpose of periodic monitoring?
A.
To
warn the commander of the arrival of neutron-induced radiation
B.
To
assure the commander that the unit area is not contaminated
C.
To
determine when fallout is completed
D.
To
check the serviceability of RADIACmeters periodically
3.
Units discontinue continuous monitoring when ordered
by
higher
headquarters or when which of the following happens?
A.
Dose rate falls below 1cGy/hr
B.
Fallout has not arrived within 30 minutes of the predicted time
of arrival
C.
Peak dose rate reading is less than 30 cGy/hr
D.
Unit departs that location
4.
Which monitoring technique is the simplest and most precise?
A.
Continuous
B.
Direct
C.
Indirect
D.
Periodic
CM5206
4-22
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