6-21.
When modified with a metal roof,
extended rafters, and screened–in
areas, a 16- by 32–foot wood–frame
tent becomes what type of hut?
1.
Southeast Asia
2.
Caribbean
3.
Wood-frame
4.
Tropical
6-22.
When two 4-seat latrine boxes are
set up side by side, what size pit
is required?
1.
3 by 6 ft
2.
2 by 6 ft
3.
3 by 7 ft
4.
4 by 8 ft
6-23.
How many trough-type urinals should
be furnished with an 8–seat
latrine?
1.
One
2.
Two
3.
Three
4.
Four
6-24.
Which of the following conditions
normally indicates the need for
steel piles?
1.
Driving through compressible
soil
2.
The requirement for 95-ft piles
3.
Light loads must be supported
4.
A retaining wall is needed
6-25.
Which of the following features is
used to designate the size of a
pier?
1.
Length
2.
Height
3.
Width
4.
Diameter of the piling
6-26.
A pier is protected against shock
damage from a ship tied alongside
by a system of
6–27.
The two main components of a timber
trestle are
1.
bents and abutments
2.
substructure and superstructure
3.
bracing and caps
4.
decking and footings
6–28.
Which of the following conditions
normally require(s) trestle bents?
1.
Soft or marshy ground
2.
Swift currents
3.
Deep water
4.
Solid dry ground or shallow
water
6–29.
Which of the following is
considered a vertical structural
member?
1.
Post
2.
Cap
3.
Sill
4.
Girder
6–30.
How much overlap is figured in when
calculating center-to-center
horizontal distance between bents?
1.
1 ft
2.
2 ft
3.
3 ft
4.
4 ft
6-31.
What is the usual length of girder
stock?
1.
10 ft
2.
12 ft
3.
13 ft
4.
14 ft
6-32.
What is the minimum width of a
single-lane trestle?
1.
12 ft
2.
14 ft
3.
16 ft
4.
18 ft
1.
batter piles
2.
bearing piles
3.
stringers
4.
fender piles
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