GATE Exam Questions problems
- 1. Base course is used in rigid pavements for
Options- A. prevention of subgrade settlement
- B. prevention of slab cracking
- C. prevention of pumping
- D. prevention of thermal expansion Discuss
Correct Answer: prevention of pumping
- 2. A foundation is considered as shallow if its depth is :
Options- A. less than 1 metre
- B. greater than its width
- C. equal to or less than its width
- D. greater than 1 metre Discuss
Correct Answer: equal to or less than its width
- 3. The magnitude of the bending moment at the fixed support of the beam is equal to :
Options- A. P.a
- B.
- C. P.b
- D. P.(a + b) Discuss
Correct Answer:
- 4. The unconfined compressive strength of a 'stiff clay' falls in the range
Options- A. less than 50 kN/m2
- B. 50 to 100 kN/m2
- C. 100 to 200 kN/m2
- D. above 200 kN/m2 Discuss
Correct Answer: less than 50 kN/m2
- 5. A prestressed concrete rectangular beam of size 300 mm x 900 mm is prestressed with an initial prestressing force of 700 kN at an eccentricity of 350 mm at midspan. Stress at top of the beam due to prestress alone, in N/mm2 is
Options- A. 46 (tension)
- B. 2.59 (compression)
- C. zero
- D. 8.64 (compression) Discuss
Correct Answer: 46 (tension)
- 6. The downstream end of a long prismatic channel of mild slope, ends in a pool created by a dam. The resulting non-uniform water surface profile can be described as one of the following :
Options- A. M3 profile ending in a hydraulic jump
- B. M1 profile that lies above normal depth line
- C. M2 profile that lies between critical and normal depth lines
- D. M3 profile that lies between critical and normal depth lines Discuss
Correct Answer: M3 profile that lies between critical and normal depth lines
- 7. In the plate bearing test, if the load applied is in the form of an inflated type of wheel, then this mechanism corresponds to :
Options- A. rigid plate
- B. flexible plate
- C. semi-rigid plate
- D. semi-elastic plate Discuss
Correct Answer: semi-rigid plate
- 8. Mechanical stabilization requires :
Options- A. mixing of two or more types of natural soils
- B. addition of chemicals to soils
- C. addition of lime to soils
- D. addition of cementing material to soils Discuss
Correct Answer: mixing of two or more types of natural soils
- 9. One of the following statements is true with regards to bodies that float or are submerged in liquids :
Options- A. For a body wholly submerged in a liquid the stability is ensured if the centre of buoyancy is below the centre of gravity of the body
- B. For a body floating in a liquid the stability is ensured if the centre of buoyancy is below the centre of gravity of the body
- C. For a body floating in a liquid the stability is ensured if the centre of buoyancy and the centre of gravity, regardless of the relative positions of the centre of buoyancy and gravity
- D. For a body floating in a liquid the stability is ensured if the centre of buoyancy is below the centre of gravity and the metacentre is above both the centres of gravity and buoyancy. Discuss
Correct Answer: For a body floating in a liquid the stability is ensured if the centre of buoyancy is below the centre of gravity and the metacentre is above both the centres of gravity and buoyancy.
- 10. Blue baby disease (methaemoglobinemia) in children is caused by the presence of excess
Options- A. Chorides
- B. Nitrates
- C. Fluoride
- D. Lead Discuss
Correct Answer: Nitrates
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