Figure 9B
IN ANSWERING QUESTIONS 9-36 and 9-37,
REFER TO FIGURE 9B.
9-36.
9-37.
9-38.
9-39.
The steel tape shown is used to lay
out the distance from point A to
point B.
If the thermometer
attached to the tape reads 79°F,
what is the actual distance laid to
offset the effect of change in
temperature?
1.
168.09 ft
2.
168.99 ft
3.
169.01 ft
4.
169.07 ft
At another time, the steel tape
shown is used to measure the
distance from point A to point B,
but this time, the thermometer
reads 35°F.
How much should you
add or subtract to the measurement
in order to compensate for the
change in temperature?
1.
Add 0.02 ft
2.
Subtract 0.02 ft
3.
Add 0.04 ft
4.
Subtract 0.04 ft
A 3-pound, 100-foot tape is used to
measure a distance of 60 feet. If
the chainman maintained a pull of
20 pounds, what is the correction
of sag?
1.
0.02 ft
2.
0.03 ft
3.
0.04 ft
4.
0.05 ft
When is slope correction subtracted
from the taped slope distance?
1.
When taping uphill only
2.
When taping downhill only
3.
When applying the slope
correction formula for 10%
slopes Only
4.
Always
9-40.
When determining accurate slope
correction,
what is the maximum
slope for which you should use this
formula?
1.
5%
2.
10%
3.
20%
4.
30%
9-41.
The difference in elevation between
two points is 4.0 feet.
If the
slope distance between the points
is 125.00 feet, what is the
horizontal distance?
1.
124.936 ft
2.
124.978 ft
3.
125.032 ft
4.
125.064 ft
9-42.
Rules pertaining to the taking of
chaining notes require that the
notes reflect which of the
following qualities?
1.
Completeness
2.
Accuracy
3.
Legibility
4.
All of the above
9-43.
What is the proper way to correct
an error in field notes?
1.
Erase the error
2.
Blot out the error
3.
Draw a line through the error
and enter the correct
information above
4.
Circle and initial the error
IN ANSWERING QUESTION 9-44, REFER TO
FIGURE
9-44.
9-45.
12-17 IN YOUR TEXTBOOK.
What three types of corrections are
made in the slope chaining
measurements?
1.
Tension,
temperature, and
humidity
2.
Altitude,
temperature, and wind
3.
Hub, bench mark, and station
4.
Tape, temperature, and slope
In which of the following ratios do
the lengths of the sides indicate
that the triangle is a right
triangle?
1.
10:15:20
2.
18:24:30
3.
20:30:40
4.
25:30:40
62
