LESSON 3
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 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 has been directed to cross a fallout area. You must determine the time of entry to
ensure the least amount of radiation exposure.
1.
To compute the time of entry into a fallout area using the total dose (fallout) nomogram, which
must you know?
A.
H + 5 dose rate
B.
Decay exponent
C.
Route of travel
D.
H + 1 dose rate
2.
What is normally the reason for delaying the time of entry of personnel into a fallout area?
A.
Reduce the amount of radiation received
B.
Increase the amount of radiation received
C.
Provide a more accurate dose rate
D.
Dictate the time of stay in the area
3.
When using the ABC-M1A1 RADIAC Calculator to determine the time after burst, which disc is
used?
A.
Outer
B.
Secondary
C.
Intermediate
D.
Inner
3-7
CM2308
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