Set No. 68
1. To avoid hitting a waterfall, realignment of the route must be done. Being a new
road that will pass through loose or heterogenous strata, auger borings should be
made on the proposed alignment at an average interval of:
a) 150 m
b) 200 m
c) 250 m
d) 500 m
2. For any proposed bridge site, the topographic and river surveys should be extended
f the centerline of the bridge at least
a) 100 to 200 m upstream only
b) 100 to 200 m downstream only
c) 100 to 200 m upstream and downstream
d) 300 m upstream and downstream
3. rofile along the centerline of the river channel should be extended from the
enterline of the bridge by at least
P
c
a) 100 to 200 m upstream only
b) 100 to 200 m downstream only
c) 100 to 200 m upstream and downstream
d) 300 m upstream and downstream
4. To find the time of flow, it is required to determine the length of channel. This can
be done by transforming the drainage area into a rectangle whose two sides are in the
proportion of 1:1.5. The length of the stream is assumed one diagonal of this
rectangle plus one-half of the shorter side of the rectangle, which is the:
a) square root of the square of width (W) plus half of
b) square root of the sum of the squares of longer side (L) and W plus half of W
c) square root of the square of the squares of L plus half of W
d) 3.0 W
5. The maximum length of ascending gradient which a loaded truck can operate
without undue reduction in speed is called:
a) critical length of grade for design
b) exceptional gradient
c) limiting gradient
d) ruling gradient
,Set No. 68
6. In practice, K – factor is used to convert average annual daily traffic to the 30 th
highest annual hourly volume (DHV) and is defined as:
a) DHV/AADT
b) DDHV/ (DxAADT)
c) V/PHF
d) L/A
7. A contractor encountered an equation on the plans. Quite confused, he clarified the
terms “BK” and “AH” from the Engineer. If you were the Engineer, you would say
that:
a) BK means new survey stationing
b) AH means old survey stationing corrected
c) BK means old survey stationing corrected;
AH, new survey stationing
d) Both a and b
8. Bearings for bridges are designed to provide free movement of girders. Which of
the following is not used to allow such movement?
a) expansion joints
b) rockers
c) sliding plates
d) rollers
9. For service load design of bridges, the flexural stress in the extreme fiber stress in
compression, fc (in MPa), is:
a) 0.30 f’c
b) 0.40 f’c
c) 0.45 f’c
d) 0.50 f’c
10. The maximum value of impact applied to the superstructure of a bridge should be:
a) 15.24/(L+38); where L=portion of the span loaded for maximum
b) 50/(L+125)
c) 30%
d) 50%
2
,Set No. 68
11. When considering wind or earthquake forces either acting alone or in combination
with vertical loads, all allowable stresses and soil-bearing value for working stress
design may be increased by:
a) 1/4
b) 1/3
c) 1/2
d) 3/4
12. In foundation design, the allowable load or bearing capacity is obtained by
reducing the ultimate bearing capacity by a factor of safety of:
a) 1.5
b) 2.0
c) 1 to 2
d) 2 to 3
13. What do you call the vertical distance from the culvert invert at the entrance to the
water surface elevation permissible in the approach channel?
a) freeboard
b) headwater depth
c) trailwater depth
d) scour depth
14. Culvert flow under entrance control is synonymous with flow under:
a) outlet control
b) inlet control
c) submerged outlet
d) normal depth greater than barrel height
15. For creeks in urban and rural areas and not subject to overbank flows, a minimum
easement to be provided measured from the edge of the existing bank or the
improved bank should be:
a) 3.0
m
b) 4.0 m
c) 4.5 m
d) 20.0 m
3
, Set No. 68
16. The rate of application of emulsified asphalt used as tack coat, should be within the
range of:
a) 0.2 – 0.5 1/m2
b) 0.2 – 0.7 1/m2
c) 0.15 – 0.7 1/m2
d) 0.15 – 0.5 1/m2
17. Sub-grade soil is well compacted under the controlled condition of:
a) Over saturation with water
b) Optimum moisture content and maximum dry density
c) Dry soil
d) Cold weather
18. What is the accepted proportion mixture of lime to be added to the soil aggregate
(dry soil), in a Lime Stabilized Road Mix Base Course (Item 203)?
a) 2 to 10 mass percent
b) 4 to 15 mass percent
c) 3 to 18 mass percent
d) 3 to 12 mass percent
19. What is the accepted proportion mixture of cement to be added to the soil aggregate
(dry soil) in a Portland Cement Stabilized Road Mix Base Course (Item 204)?
a) 4
to 20 mass percent
b) 6 to 10 mass percent
c) 5 to 12 mass percent
d) 3 to 12 mass percent
20. What is the required area of the trial section needed to check the suitability of the
materials and efficiency of the equipment and construction method the contractor
will use?
a) about 500 sq.m.
b) about 400 sq.m.
c) about 100 sq.m.
d) about 600 sq.m.
21. What is the permitted variation from the design thickness of a layer of aggregate
subbase course?
a) ± 20 mm
b) ± 10 mm
c) ± 30 mm
d) ± 15 mm
4
1. To avoid hitting a waterfall, realignment of the route must be done. Being a new
road that will pass through loose or heterogenous strata, auger borings should be
made on the proposed alignment at an average interval of:
a) 150 m
b) 200 m
c) 250 m
d) 500 m
2. For any proposed bridge site, the topographic and river surveys should be extended
f the centerline of the bridge at least
a) 100 to 200 m upstream only
b) 100 to 200 m downstream only
c) 100 to 200 m upstream and downstream
d) 300 m upstream and downstream
3. rofile along the centerline of the river channel should be extended from the
enterline of the bridge by at least
P
c
a) 100 to 200 m upstream only
b) 100 to 200 m downstream only
c) 100 to 200 m upstream and downstream
d) 300 m upstream and downstream
4. To find the time of flow, it is required to determine the length of channel. This can
be done by transforming the drainage area into a rectangle whose two sides are in the
proportion of 1:1.5. The length of the stream is assumed one diagonal of this
rectangle plus one-half of the shorter side of the rectangle, which is the:
a) square root of the square of width (W) plus half of
b) square root of the sum of the squares of longer side (L) and W plus half of W
c) square root of the square of the squares of L plus half of W
d) 3.0 W
5. The maximum length of ascending gradient which a loaded truck can operate
without undue reduction in speed is called:
a) critical length of grade for design
b) exceptional gradient
c) limiting gradient
d) ruling gradient
,Set No. 68
6. In practice, K – factor is used to convert average annual daily traffic to the 30 th
highest annual hourly volume (DHV) and is defined as:
a) DHV/AADT
b) DDHV/ (DxAADT)
c) V/PHF
d) L/A
7. A contractor encountered an equation on the plans. Quite confused, he clarified the
terms “BK” and “AH” from the Engineer. If you were the Engineer, you would say
that:
a) BK means new survey stationing
b) AH means old survey stationing corrected
c) BK means old survey stationing corrected;
AH, new survey stationing
d) Both a and b
8. Bearings for bridges are designed to provide free movement of girders. Which of
the following is not used to allow such movement?
a) expansion joints
b) rockers
c) sliding plates
d) rollers
9. For service load design of bridges, the flexural stress in the extreme fiber stress in
compression, fc (in MPa), is:
a) 0.30 f’c
b) 0.40 f’c
c) 0.45 f’c
d) 0.50 f’c
10. The maximum value of impact applied to the superstructure of a bridge should be:
a) 15.24/(L+38); where L=portion of the span loaded for maximum
b) 50/(L+125)
c) 30%
d) 50%
2
,Set No. 68
11. When considering wind or earthquake forces either acting alone or in combination
with vertical loads, all allowable stresses and soil-bearing value for working stress
design may be increased by:
a) 1/4
b) 1/3
c) 1/2
d) 3/4
12. In foundation design, the allowable load or bearing capacity is obtained by
reducing the ultimate bearing capacity by a factor of safety of:
a) 1.5
b) 2.0
c) 1 to 2
d) 2 to 3
13. What do you call the vertical distance from the culvert invert at the entrance to the
water surface elevation permissible in the approach channel?
a) freeboard
b) headwater depth
c) trailwater depth
d) scour depth
14. Culvert flow under entrance control is synonymous with flow under:
a) outlet control
b) inlet control
c) submerged outlet
d) normal depth greater than barrel height
15. For creeks in urban and rural areas and not subject to overbank flows, a minimum
easement to be provided measured from the edge of the existing bank or the
improved bank should be:
a) 3.0
m
b) 4.0 m
c) 4.5 m
d) 20.0 m
3
, Set No. 68
16. The rate of application of emulsified asphalt used as tack coat, should be within the
range of:
a) 0.2 – 0.5 1/m2
b) 0.2 – 0.7 1/m2
c) 0.15 – 0.7 1/m2
d) 0.15 – 0.5 1/m2
17. Sub-grade soil is well compacted under the controlled condition of:
a) Over saturation with water
b) Optimum moisture content and maximum dry density
c) Dry soil
d) Cold weather
18. What is the accepted proportion mixture of lime to be added to the soil aggregate
(dry soil), in a Lime Stabilized Road Mix Base Course (Item 203)?
a) 2 to 10 mass percent
b) 4 to 15 mass percent
c) 3 to 18 mass percent
d) 3 to 12 mass percent
19. What is the accepted proportion mixture of cement to be added to the soil aggregate
(dry soil) in a Portland Cement Stabilized Road Mix Base Course (Item 204)?
a) 4
to 20 mass percent
b) 6 to 10 mass percent
c) 5 to 12 mass percent
d) 3 to 12 mass percent
20. What is the required area of the trial section needed to check the suitability of the
materials and efficiency of the equipment and construction method the contractor
will use?
a) about 500 sq.m.
b) about 400 sq.m.
c) about 100 sq.m.
d) about 600 sq.m.
21. What is the permitted variation from the design thickness of a layer of aggregate
subbase course?
a) ± 20 mm
b) ± 10 mm
c) ± 30 mm
d) ± 15 mm
4
