GATE Exam Questions problems
- 1. In deriving the equation for the hydraulic jump in a rectangular channel in terms of the conjugate depths and the initial Froude number.
Options- A. continuity equation and energy equation are used
- B. continuity equation and momentum equation are used
- C. equations of continuity, mementum and energy are used
- D. gradually varied flow equation is used Discuss
Correct Answer: equations of continuity, mementum and energy are used
- 2. The particle size distribution curves are extremely useful for the classification of
Options- A. fine grained soils
- B. coarse grained soils
- C. both coarse grained and fine grained soils
- D. silts and clays Discuss
Correct Answer: both coarse grained and fine grained soils
- 3. Stopping sight distance is the minimum distance available on a highway which is the
Options- A. distance of sufficient length to stop the vehicle wihtout collision.
- B. distance visible to a driver during night driving.
- C. height of the object above the road surface.
- D. distance equal to the height of the driver's eye above the road surface. Discuss
Correct Answer: distance of sufficient length to stop the vehicle wihtout collision.
- 4. A lysimeter is used to measure :
Options- A. infiltration
- B. evaporation
- C. evapotranspiration
- D. radiation Discuss
Correct Answer: evapotranspiration
- 5. One of the probable causes of rutting on flexible pavements is
Options- A. excessive stripping of binder material from the wearing course
- B. use of flaky aggregates in the wearing course
- C. inadequate compaction of pavement layers
- D. high wind speeds Discuss
Correct Answer: inadequate compaction of pavement layers
- 6. The relation that must hold for the flow to be irrotational is
Options- A.
- B.
- C.
- D.
Discuss
Correct Answer:
- 7. A wastewater sample contains 10-5.6 mmol/l of OH ions at 25° C. The pH of this sample is
Options- A. 8.6
- B. 8.4
- C. 5.6
- D. 5.4 Discuss
Correct Answer: 5.4
- 8. The group efficiency of a pile group
Options- A. will be always less than 100%.
- B. will be always greater than 100%.
- C. may be less than 100% or more than 100%.
- D. will be more than 100% for pile groups in cohensionless soils and less than 100% for those in cohesive soils. Discuss
Correct Answer: will be more than 100% for pile groups in cohensionless soils and less than 100% for those in cohesive soils.
- 9. Effective length of a rafter member between two nodes at a distance L, perpendicular to the plane of the truss, is : .
Options- A. 2.00 L
- B. 0.85
- C. 1.50
- D. 1.00 L Discuss
Correct Answer: 0.85
- 10. If duty (D) is 1428 hectares/cumec and base period (B) is 120 days for an irrigated crop, then delta (?) in meters is given by
Options- A. 102.8
- B. 0.73
- C. 1.38
- D. 0.01 Discuss
Correct Answer: 0.73
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