LESSON 5
PRACTICE EXERCISE
ANSWER KEY AND FEEDBACK
Item
Correct Answer and Feedback
1.
C
Location of reading.
You must receive...reading. (Part A - page 5-2, para 5-2a)
2.
D
H + 48.
If the report is...hours. (Part B - page 5-2, para 5-2a)
3.
C
Dividing the outside dose rate by the inside dose rate.
The CF is determined by...rate. (Part A - page 5-2, para 5-2b)
4.
D
Correlation factor.
If the dose rate...factor. (Part A - page 5-2, para 5-2b)
5.
B
6.89.
NFs may be found... (Part B - page 5-3, para 5-5 and Table A-7 in Appendix A, page
A-8)
6.
D
1026 cGyph.
The graph in.... (Part B pages 5-4 to 5-5, para 5-6)
OCF = AGCF X NF (NOTE: You must first find the NF
using Table A-7: 12200900 [next
higher: 3 hours, 30 minutes] with
standard decay factor n = 1.2)
OCF = 4 X 4.49
OCF = 18 (see Appendix C for rounding rules)
H + 1 = OCF X 57
H + 1 = 1026
CM2306
5-12
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