9-57.
In relation to the incoming and
outgoing ducts, where is the bottom
of a manhole for an underground
power system usually located?
1.
About 6 in. below the inverts
of the incoming and outgoing
ducts
2.
About 6 in. below the bottoms
of the incoming and outgoing
ducts
3.
About 2 ft below the bottoms of
the incoming and outgoing ducts
4.
About 2 ft below the inverts of
the incoming ducts
9-58.
A construction sheet is prepared
during a stakeout survey for what
purpose?
1.
To provide a permanent
construction record
2.
To provide a ready reference
for computing earthwork
3.
To record the surveyors’
accomplishments
4.
To preserve the description
of the location and elevation
of all hubs
Learning Objective: Determine
distances and locations for given
airfield and waterfront surveys.
9-59.
When laying out a runway, you must
consider what factor?
1.
Landing area
2.
Parking apron
3.
Direction of the prevailing
wind
4.
Drainage
9-60.
What is the normal glide angle
for most aircraft?
1.
1-ft vertical to 100-ft
horizontal
2.
1-ft vertical to 75-ft
horizontal
3.
1-ft vertical to 50-ft
horizontal
4.
2-ft horizontal to 100-ft
vertical
9-61.
You are tasked to check for
obstructions at the end of an
airfield approach zone. What
vertical angle should be used?
1.
1°
2.
1°8’45”
3.
1°50’
4.
2°
IN ANSWERING QUESTIONS 9-62 AND 9-63,
REFER TO FIGURE 10-29 IN YOUR TEXTBOOK.
9-62.
What is the distance between
9 and M?
1.
60 ft
2.
67 ft
3.
174 ft
4.
267 ft
9-63.
What is the distance from set-up
point E to pile No. 29?
1.
2.
3.
4.
9-64.
When locating piles by triangu-
lation, you would normally locate
how many piles?
1.
As many as possible
2.
Half of each bent
3.
The two outside piles
of each bent
4. Two
9-65.
What type of notes, for each
control station, should be
maintained when shooting in piles?
1.
Field notes
2.
As-built drawings
3.
Stakeout drawings
4.
A pile location sheet
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