LESSON 5
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 answers with the answer key that
follows. If you answered any item incorrectly, study again that part of the lesson that contains the portion
involved.
Situation: While working in the NBCC, your commander requests that you provide an evaluation of
radiological hazard from fallout. This must be done with the information provided by observers.
1. Which is an item of required information on an NBC 4 (nuclear) report?
A.
Estimated yield.
B.
Decay rate.
C.
Location of reading.
D.
Location of standard contour lines.
2. You have received an NBC 4 (nuclear) report with dose rate information taken at H + 52 hours. To
how many hours should this data be normalized?
A.
H+1
B.
H + 24
C.
H + 36
D.
H + 48
3. If there is not a published CF for a particular shelter, how may the CF be computed?
A.
Multiplying the outside dose rate by the inside dose rate.
B.
Adding the inside dose rate to the outside dose rate.
C.
Dividing the outside dose rate by the inside dose rate.
D.
Subtracting the inside dose rate from the outside dose rate.
4. The shielded dose rate received in an NBC 4 (nuclear) report is normalized to a reference time by
multiplying it by what?
A.
Decay exponent.
B.
Transmission factor and inside dose.
C.
Overall correction factor.
D.
Correlation factor.
CM2306
5-10
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