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- Question
The function of ballast in railaway tracks is to
Options- A. facilitate drainage
- B. serve as an elastic support for the track structure
- C. provide the necessary resilience against the dynamic effect of the loads
- D. all the above
- Correct Answer
- all the above
- 1. A borrow pit soil has a dry density of 17 kN/m3. How many cubic meters of this soil will be required to construct an embankment of 100 m3 volume with a dry density of 16 kN/m3.
Options- A. 94 m3
- B. 106 m3
- C. 100 m3
- D. 90 m3 Discuss
- 2. Water flows at a rate of 10 m3/s in a rectangular channel 3 m wide. The critical depth of flow is
Options- A. 1.13 m
- B. 2 m
- C. 1.45 m
- D. 1.04 m Discuss
- 3. A person standing on the bank of a canal drops a stone on the water surface. He notices that the disturbance on the water surface in not travelling upstream. This is because the flow in the canal is
Options- A. sub-critical
- B. super-critical
- C. steady
- D. uniform Discuss
- 4. As per IS : 800-1984 the maximum allowable slenderness ratio of compression members carrying forces resulting from dead load and superimposed load is
Options- A. 180
- B. 250
- C. 300
- D. 400 Discuss
- 5. Transition curves are provided on the approach to horizontal curves in order to :
Options- A. increase jerk to allowable levels
- B. minimize the length of the horizontal curve
- C. simplify the laying-out and construction of the horizontal curve
- D. reduce jerk to allowable levels Discuss
- 6. A soil formation through which only seepage is possible, being partly permeable and capable of giving insignificant yield, is classified as
Options- A. Aquifer
- B. Aquitard
- C. Aquifuge
- D. Aquiclude Discuss
- 7. Horizontal stiffness coefficient, K11 of bar ab is given by :
Options- A. A E/l 2
- B. A E/2 1
- C. A E/l
- D. 2 A E/l Discuss
- 8. The flow of water (mass density = 1000 kg/m3 and kinematic viscosity = 10-6 m2/s) in a commercial pipe, having equivalent roughness ks as 0.12 mm, yields an average shear stress at the pipe boundary = 600 N/m2. The value of ks/?' (?' being the thickness of laminar sub-layer) for this pipe is
Options- A. 0.25
- B. 0.50
- C. 6.0
- D. 8.0 Discuss
- 9. Coagulation-flocculation with alum is performed :
Options- A. immediately before chlorination
- B. immediately after chlorination
- C. after rapid sand filtration
- D. before rapid sand filtration Discuss
- 10. Pipingin soil occurs when
Options- A. the soil is highly porous
- B. sudden change in permeability occurs
- C. effective pressure becomes zero
- D. the soil is highly stratified Discuss
GATE Exam Questions problems
Search Results
Correct Answer: 94 m3
Correct Answer: 1.04 m
Correct Answer: super-critical
Correct Answer: 180
Correct Answer: reduce jerk to allowable levels
Correct Answer: Aquitard
Correct Answer: A E/l 2
Correct Answer: 8.0
Correct Answer: before rapid sand filtration
Correct Answer: effective pressure becomes zero
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