Soil Mechanics and Bridge Engineering MCQs (Diploma Civil 3rd Year)

Q1. Size of gravel is defined in mm as

1. A. 0.20 - 4.75
2. B. 4.75 - 7.62
3. C. 0.002 - 0.20
4. D. 76.2 - 102.5

Q2. The size of sand ranges in millimetres.

1. A. 0.002 - 0.06
2. B. 0.006 - 0.02
3. C. 0.02 - 0.06
4. D. 0.06 - 2.00

Q3. The limits identifying different states of soil are called as

1. A. Consistence limits
2. B. Soil state limits
3. C. Atterberg's limits
4. D. All of these

Q4. In the result of compaction of soil the relieving element is

1. A. Air
2. B. Water
3. C. Both air and water
4. D. None of these

Q5. According to Darcy's law, relation of velocity and hydraulic gradient is

1. A. V ∝ i
2. B. V ∝ 1/i
3. C. V = id
4. D. V = i

Q6. Shearing strength of the soil depends upon

1. A. Size and shape of grains
2. B. Cohesion
3. C. Inter-locking
4. D. None of these

Q7. Which material is most resistant against slope failure?

1. A. Clay
2. B. Silt
3. C. Sand
4. D. Gravel

Q8. The load supporting power of a soil is termed as

1. A. Holding power
2. B. Bearing capacity
3. C. Supporting power
4. D. Supporting capacity

Q9. When minimum span is ___ metres, it is called a bridge.

1. A. 8
2. B. 6
3. C. 2
4. D. 4

Q10. While minimum span is ___ metres, it is called a bridge.

1. A. 4
2. B. 10
3. C. 8
4. D. 6

Q11. Span of a culvert is the clear distance between

1. A. Toe-walls
2. B. Piers
3. C. Abutments
4. D. Wing walls

Q12. Facilitating the traffic during construction or maintenance of a permanent bridge, such bridge is constructed.

1. A. Supporting
2. B. Big
3. C. Small
4. D. Temporary

Q13. If bridge floor is supported at the bottom of supporting girders, it is called such bridge.

1. A. Permanent
2. B. Deck
3. C. Temporary
4. D. Through

Q14. Special maintenance of bridges is carried out after the interval in years.

1. A. 3-5
2. B. 1-3
3. C. 8-10
4. D. 5-8

Q15. Size of sand is defined in mm as

1. A. 0.075 - 4.75
2. B. 76.2 - 102.5
3. C. 0.002 - 0.20
4. D. 4.75 - 7.62

Q16. The size of grains of silt ranges in millimetres.

1. A. 0.002 - 0.06
2. B. 0.006 - 0.02
3. C. 0.06 - 2.00
4. D. 0.02 - 0.06

Q17. The minimum moisture content percentage by dry weight at which the soil starts flowing under its own weight

1. A. Shrinkage limit
2. B. Plastic limit
3. C. Liquid limit
4. D. None of these

Q18. In the result of consolidation the relieving element is

1. A. Air
2. B. Water
3. C. Both air and water
4. D. None of these

Q19. According to Darcy's law, discharge will be as

1. A. Q = KVi
2. B. Q = kia
3. C. Q = KVa
4. D. Q = Via

Q20. Value of φ (internal friction angle) in case of clay

1. A. 30
2. B. 0
3. C. 45
4. D. 90

Q21. Most suitable angle against slope failure is

1. A. Steep
2. B. Right
3. C. Flat
4. D. None of these

Q22. Bearing capacity of a soil at which soil is likely to fail is termed as

1. A. Normal bearing capacity
2. B. Ultimate bearing capacity
3. C. Flat bearing capacity
4. D. Safe bearing capacity

Q23. Span of a culvert is the clear distance between

1. A. Abutments
2. B. Wing walls
3. C. Toe walls
4. D. Piers

Q24. Such type of bridges are preferred in railway transport.

1. A. Plate girder
2. B. Cantilever
3. C. Truss
4. D. T-beam

Q25. When discharge is low and reasonable headroom is not available then such culvert is proposed.

1. A. Box
2. B. Arched
3. C. Slab
4. D. Pipe