11-58.
A stake marked OF 65 CL C-3.5
means that the stake is offset
what distance from the centerline
stake?
1.
3
feet
2.
3.5 feet
3.
65
feet
4.
68.5 feet
Learning Objective:
Recognize
the principles and components
of leveling equipment.
11-59.
A hand level is NOT used at
distances that exceed what
number of feet?
1.
20
2.
30
3.
40
4.
50
11-60.
When used for alignment, a dumpy
level is accurate at distances up
to how many feet?
1.
1,000
2.
2,000
3.
3,000
4.
4,000
1161.
A compensator on a self-leveling
level automatically places the
line of sight horizontal.
1.
True
2.
False
1162.
When placing a leveling instrument
on a tripod, you should torque the
instrument down until it binds to
the screw threads.
1.
True
2.
False
11-63.
Each foot on a Philadelphia rod is
subdivided into what fraction of a
foot?
1.
Tenth
2.
Hundredth
3.
Thousandth
4.
Tenthousandth
11-64.
The indicators for foot
measurements on a Philadelphia
rod are what color?
1.
White
2.
Black
3.
Red
4.
Brown
11-65.
What person makes the rod reading
when a target is used?
1.
Levelman
2.
Rodman
3.
Signalman
4.
Targetman
11-66.
What term is used to describe a
reference point whose elevation
is known and marked?
1.
Datam plane
2.
Mean sea level
3.
Bench mark
4.
Backsight
11-67.
To determine the height of the
instrument, you add the bench mark
elevation to what reading taken
from the level rod?
1.
Mean sea sight
2.
Sidesight
3.
Foresight
4.
Backsight
11-68.
The height (HI) of the instrument
is 136 feet.
The foresight (FS)
reading is 4.5 feet.
What is the
elevation at the foresight
reading?
1.
91
feet
2.
132.5 feet
3.
140.5 feet
4.
171
feet
11-69.
In setting or replacing grade
stakes, you should measure
horizontal distance with which of
the following types of tapes?
1.
Metallic woven
2.
Nonmetallic woven
3.
Steel
4.
All of the above
86