LESSON 2
PRACTICE EXERCISE
ANSWER KEY AND FEEDBACK
Item
Correct Answer and Feedback
1.
C
Gamma
It is these...commander. (Part A - page 2-2, para 2-2)
2.
C
It magnifies the view of the calibrated scale.
The eyepiece lens...scale. (Part A - page 2-2, para 2-3c(1))
3.
D
0 to 600
The total dosage...Figure 2-4. (Part A - page 2-4, para 2-5c)
4.
B
Four
Chargers are issued...unit. (Part B - page 2-4, para 2-7)
5.
C
Holds the dosimeter securely in the charging socket.
Next to the charging knob...charging. (Part B - page 2-4, para 2-7a)
6.
B
After 2 or 3 days of use.
To prevent excessive leakage...use. (Part B - page 2-13, para 2-10)
7.
A
Penetration of part of the charge into the insulation.
This excessive leakage...insulation. (Part B - page 2-14, para 2-11, first NOTE)
8.
B
It allows the dosimeter to remain with the unit when the primary wearer leaves the unit
area.
This allows the dosimeter...area. (Part C - page 2-14, para 2-12a)
9.
C
Look at the light source through the dosimeter's eyepiece lens; rotate the dosimeter
until the calibrated scale is in the horizontal position; note the position of the shadow of
the indicating fiber on the calibrated scale; and determine the amount of radiation
detected. (Part C - page 2-15, para 2-12b(1) through 12b(4))
10.
B
14.
For example, if the reading...is 35 cGy. (Part C - page 2-15, para 2-12b)
CM2306
2-20
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