Bridge Engineering
In case of well foundations, sinking of the well is facilitated by using ________________
- Square Wells
- Circular Wells
- Rectangular Wells
- Triangular Wells
IRC Class AA loading consists a tracked vehicle of _______________
- 300kN
- 500kN
- 700kN
- 900kN
The stream at the ideal bridge site should be
- Well defined and as deep as possible
- Well defined and as wide as possible
- Well defined and as narrow as possible
- Deep and as wide as possible
For the maximum span, which type of bridge is recommended?
- steel arch bridge
- steel truss bridge
- steel rolled beam bridge
- steel cable suspension bridge
Bridges planned in coastal areas should be designed specifically to resist the effect of _______________
- Dead Load
- Live Load
- Wind Load
- Earthquake load
Bridge Engineering
For long spans such as above 800m, which type of bridge is provided?
- Beam bridge
- Cantilever bridge
- Truss bridge
- Suspension bridge
Culverts are provided for linear waterway up to maximum of
- 6 m
- 9 m
- 12 m
- 15 m
The water pressure to be considered in the design of piers is / are
(i) Dynamic pressure
(ii) Static pressure
(iii) Impact due to cross current
- Only (i)
- (i) and (ii)
- (ii) and (iii)
- (i), (ii) and (iii)
A pier cap
i. distributes the loads from the bearings to the pier more uniformly
ii. protects the pier from rain water dripping down the sides
iii. improves the pier appearance
- Only (i)
- (i) and (ii)
- (ii) and (iii)
- (i), (ii) and (iii)
For bridges of National Highways, the class of loading considered as per IRC is
- AA
- BB
- A
- B
Bridge Engineering
Arrange in the correct order of component of bridge starting from river-bed.
(1) Abutment
(2) Girder
(3) Foundation
(4) Flooring
- 3 – 1 – 2 – 4
- 3 – 2 – 1 – 4
- 3 – 1 – 4 – 2
- 3 – 4 – 2 – 1
The factor of safety against sliding in the case of abutments subjected to various forces should be greater than __________________
- 1
- 2
- 3
- 4
What are the requirements of the investigation for the location of the bridge site ?
i. Technical feasibility study
ii. Techno-economic study
iii. Detailed survey and report
- Only (i) and (ii)
- Only (ii) and (iii)
- Only (i) and (iii)
- All three
Special investigation should be carried out for bridges having following features: As per IRC recommendations minimum length of approaches at ends of the bridge is
- 30 m
- 20 m
- 15 m
- 35 m
A cross section of the river at the proposed bridge site to a scale of about ________________ horizontally
- 1:10
- 1:100
- 1:1000
- 1:50
Bridge Engineering
Which of the following statement(s) is / are true for a Wing Wall in a bridge?
i. They are adjacent to the abutments and act as retaining walls.
ii. They can either be attached to the abutment or be independent of it.
- Only (i)
- Only (ii)
- Both (i) and (ii)
- Neither (i) nor (ii)
Expansion bearing in bridge super structure permits
- Only rotation
- Only translation
- No movement
- Rotation and translation
Which of the given type of bridge is a bridge with movable span superstructure?
- Bascule Bridges
- Cut-Boat Bridges
- Lift Bridges
- All of the above
In a bridge, a curtain wall is used
i. as a protection against the scouring action of a stream
ii. as a protection against the flash flood
iii. for connecting the abutments
- Only (i)
- (i) and (ii)
- (ii) and (iii)
- (i), (ii) and (iii)
Bearings are provided in bridges to
- allow translation and rotation in bridges
- restrict translation and rotation in bridges
- transfer forces from sub-structure to super-structure
- allow displacement in vertical and horizontal directions
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