LESSON 5
PRACTICE EXERCISE
ANSWER KEY AND FEEDBACK
Item
Correct Answer and Feedback
1.
C
Gamma rays
These effects on . . . PART A, page 5-2, para 1.
2.
A
2
They are issued . . . PART A, page 5-2, para 2a.
3.
C
Magnifies the view of the calibrated scale and the
view of the indicating fiber shadow
The optical system . . . PART A, page 5-3, para
2d(1).
4.
D
0 to 600
The dosimeters will . . . PART A, page 5-4, para 4.
5.
A
Before it is put into use
You must charge . . . PART B, page 5-6, Intro.
6.
C
Turn the charging knob clockwise a minimum of 10
revolutions
If the charger . . . PART B, page 5-7, Step 4.
7.
A
Penetration of part of the charge into the insulation
This excessive leakage . . . PART B, page 5-12, NOTE.
8.
B
It allows the dosimeter to remain with the unit when
the primary wearer leaves the unit area.
This allows the dosimeter . . .
PART C, page 5-13, para 1.
9.
C
Look at light source through eyepiece lens.
Rotate dosimeter until calibrated scale is in
horizontal position. Note position of shadow of
indicating fiber on calibrated scale. Determine
amount of radiation detected. PART C, p. 5-13,
para 2.
10.
B
14 cGy
When the dosimeter . . . PART C, page 5-13, para 3.
IS0345
5-46
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