LESSON 3
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: Company C has been conducting operations in a radiologically contaminated area for the past
three days. The company has prepared a RES chart, Figure 3-6, so that the platoons' radiation exposure
information can be posted. On 2 July, 1st Platoon reported 20 cGy, 2nd Platoon reported no radiation
exposure, and 3rd Platoon reported 30 cGy. On 3 July, 1st Platoon reported 20 cGy, 2nd Platoon reported
no radiation exposure, and 3rd Platoon reported 50 cGy. On 4 July, 1st Platoon reported 40 cGy, 2nd
Platoon reported 20 cGy, and 3rd Platoon reported no radiation.
NOTE: To answer questions 1 through 4, refer to the above situation and Figures 3-6 and 3-7.
1
JULY
PRESENT
PLATOON
COMPANY
Remarks
RES
1
2
3
4
5
6
31
C1
II
II
IIII
RES - 2
C2
II
RES - 1
C3
III
IIII
RES - 2
C
RES - 2
1
The marks in the date columns are upright tally marks, each representing 10 cGy (rad).
Figure 3-6. RES Chart
NUMBER OF PLATOONS IN COMPANY, OR
NUMBER OF COMPANIES IN BATTALION
RES OF COMPANY
2
3
4
5
6
7
OR BATTALION
SUM OF RES NUMBERS OF ALL
PLATOONS OR COMPANIES
RES-0
0
0-1
0-1
0-2
0-2
0-3
RES-1
1-2
2-4
2-5
3-7
3-8
4 - 10
RES-2
3-4
5-7
6-9
8 - 12
9 - 14
11 - 17
RES-3
5-6
8-9
10 - 12
13 - 15
15 - 18
18 - 21
Figure 3-7. Company or Battalion RES Chart
1. What was the RES of the 1st Platoon on 3 July?
A.
RES-0
B.
RES-1
C.
RES-2
D.
RES-3
3-11
CM2306
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