Figure 12B
IN ANSWERING QUESTIONS 12-34 THROUGH 12-38,
REFER
12-34.
12-35.
12-36.
What should your initial estimate
of d be?
1.
20.0 ft
2.
28.4 ft
3.
29.0 ft
4.
40.0 ft
12-37.
As you walk to the initial estimate
of d, you observe a drop of
approximately 3 feet in the ground
elevation.
Your second estimate of
d is
1.
23.0 ft
2.
25.4 ft
3.
32.0 ft
4.
47.0 ft
12-38.
At the second estimate of d, the
TO FIGURE 12B.
rod reading is 7.2 feet.
You know
your second estimate of d is
What is the cut at center line?
1.
correct
1.
4.2 ft
2.
0.5 ft short
2.
4.5 ft
3.
0.5 ft long
3.
4.8 ft
4.
1.0 ft long
4.
8.7 ft
What should the rod reading be at
the center line?
1.
4.2 ft
2.
4.5 ft
3.
4.8 ft
4.
8.7 ft
Figure 12C
86
