Bridge Engineering MCQ Questions and Answers for Practice

1. A bascule bridge is a

1. through bridge
2. fixed bridge
3. movable bridge
4. deck bridge

2. A bridge of more than ................ span is treated as long span bridge.

1. 120 m
2. 30 m
3. 60 m
4. 90 m

3. A bridge of span 25 m may be treated as

1. long span bridge
2. culvert
3. minor bridge
4. major bridge

4. As far as possible the alignment of a bridge should be

1. none of the above
2. square
3. skew
4. curved

5. Bridge over a dry valley is known as

1. viaduct
2. causeway
3. minor bridge
4. vent

6. Deep cast bearings are suitable up to .................. spans

1. 20 to 30 m
2. 6 m
3. 12 m
4. 12 to 20 m

7. Fixed plate bearing plates are suitable for spans upto

1. 24 m
2. less than 6 m
3. 12 m
4. 18 m

8. For a major bridge usually the type of foundation is

1. caisson foundation
2. grillage foundation
3. spread foundation
4. well foundation

9. Generally, a culvert has span less than

1. 12 m
2. 3 m
3. 6 m
4. 9 m

10. Height of bridge is kept ............... above high flood level

1. more than 2.5 m
2. 1.2 to 1.5 m
3. 1.8 to 2.1 m
4. 2.2 to 2.5 m

11. If a rocker and roller bearing is provided at one end of a bridge girder, then the other end will be

1. rocker bearing
2. fixed end
3. simple support
4. free end

12. In case of alluvial streams linear waterway is determined by Luceys formula as L = where Q is discharge and C is .............. depending upon the local conditions:

1. 4.5 to 6.3
2. 1.2 to 2.2
3. 2.4 to 3.5
4. 3.7 to 4.2

13. In preliminary survey cross sections at ................ interval should be determined.

1. 65 m
2. 20 m
3. 35 m
4. 50 m

14. In the design of piers, the water pressure to be considered is

1. all the above
2. static pressure
3. dynamic pressure
4. impact due to cross current

15. Masonry arch bridges are used to span

1. 20 to 30 m
2. less than 3 m
3. 3 to 15 m
4. 15 to 20 m