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 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 the mission to determine the extent of radiation hazard in the area of concern.
In order to protect yourself and your unit, you must be able to determine the transmission factor for
shelters and vehicles used for shielding fallout.
1.
What is the purpose of shielding on the nuclear battlefield?
A.
Neutralize gamma radiation
B.
Reduce radiation to a background level
C.
Reduce radiation dose to an acceptable level
D.
Eliminate the possibility of radiation blindness
2.
What is the amount of required shielding dependent upon?
A.
Number of personnel to be protected
B.
Intensity of the radiation in the area
C.
Size of the radiation pattern
D.
Speed at which the gamma rays are traveling
3.
What is used to calculate the reduction in the amount of radiation received by personnel in a
shielded environment?
A.
Transmission factor
B.
Radiation decay exponent
C.
Shielding equation
D.
Operational exposure guide
4.
A soldier inside a fighting position, took a radiation reading inside the shelter of 10 cGyph and
an unshielded reading of 75 cGyph. What is the transmission factor for the position?
A.
.013
B.
.13
C.
1.3
D.
13.0
1-7
CM2308
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