6-45.
The working drawings for timber
piers contain which of the
following information?
1.
Bill of materials only
2.
Dimensions and location of all
structural members only
3.
Required driftpins, bolts and
hardware, and bill of materials
only
4.
All of the above
6-46.
When the use of batter piles is
required, what is the specified
angle?
1.
5 in 12
2.
2 in 12
3.
3 in 12
4.
4 in 12
6-47.
On a bridge, the inside stringers
on the superstructure are fastened
by what method?
1.
Through bolts
2.
Driftbolts
3.
Spikes
4.
Nails
6-48.
Which of the following conditions
exist when a pile vibrates too much
laterally?
1.
Leaning
2.
Cracking
3.
Bouncing
4.
Springing
6-49.
What is the minimum amount the butt
of a wood pile can be crushed or
broomed before you should cut it
back to sound wood?
1.
1 in.
2.
2 in.
3.
3 in.
4.
4 in.
6-50.
It is always necessary to drive a
friction pile to refusal.
6-51.
Waterfront structures are broadly
divided into how many categories?
1.
One
2.
Two
3.
Three
4.
Four
6-52.
Breakwaters and jetties fall under
which of the following categories?
1.
Offshore structures
2.
Alongside structures
3.
Wharfage structures
4.
Deepwater structures
6-53.
Which of the following structures
works to direct and confine a
current or tidal flow into a
selected channel?
1.
Breakwater
2.
Jetty
3.
Seawall
4.
Groin
6-54.
Of the following structures, which
has the stabilization of a
shoreline as its main purpose?
1.
Rubble-mound breakwater
2.
Caisson
3.
Seawall
4.
Jetty
6-55.
How many various types of
cast-in-place concrete seawalls are
there?
1.
Five
2.
Two
3.
Three
4.
Four
6-56.
Which of the following structures
is placed to arrest a current and
deflect it away from a shoreline?
1.
Breakwater
2.
Jetty
3.
Groin
4.
Seawall
1.
True
2.
False
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