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- Question
A hydraulic turbine has a discharge of 5 m3/s, when operating under a head of 20 m with a speed of 500 rpm. If it is to operate under a head of 15 m, for the same discharge, the rotational speed in rpm will approximately be
Options- A. 433
- B. 403
- C. 627
- D. 388
- Correct Answer
- 433
- 1. Is 459-1978 recommends to provide certain minimum steel in a RCC beam
Options- A. to ensure compression failure
- B. to avoid rupture of steel in case a flexural failure occurs
- C. to hold the stirrup steel in position
- D. to provide enough ductility to the beam Discuss
- 2. Maximum size of a fillet weld for a plate of square edge is
Options- A. 1.5 mm less than the thickness of the plate
- B. one half of the thickness of the plate
- C. thickness of the plate itself
- D. 1.5 mm more than the thickness of the plate Discuss
- 3. The capacities of "One-way 1.5 m wide sidewalk (persons per hour)" and "One-way 2-lane urban road (PCU per hour, with no frontage access, no standing vehicles and very little cross traffic)" are respectively.
Options- A. 1200 and 2400
- B. 1800 and 2000
- C. 1200 and 1500
- D. 2000 and 1200 Discuss
- 4. Flexible pavements derive stability primarily from :
Options- A. aggregate interlock, particle friction and cohesion
- B. cohesion alone
- C. the binding power of bituminous materials
- D. the flexural strength of the surface course Discuss
- 5. For the frame shown in the below figure, the maximum bending moment in the column is,
Options- A. zero
- B. 400 kNm
- C. 100 kNm
- D. 200 kNm Discuss
- 6. Lysimeter and Tensiometer are used to measure respectively, one of the following groups of quantities :
Options- A. Capillary potential and permeability
- B. Evapotranspiration and capillary potential
- C. Velocity in channels and vapour pressure
- D. Velocity in pipes and pressure head Discuss
- 7. A single rapid test to determine the pollu-tional status of river water is :
Options- A. biochemical oxygen demand
- B. chemical oxygen demand
- C. total organic solids
- D. dissolved oxygen Discuss
- 8. The 5-day BOD of a wastewater sample is obtained as 190 mg/l (with k = 0.01 h-1). The ultimate oxygen demand (mg/l) of the sample will be
Options- A. 3800
- B. 475
- C. 271
- D. 190 Discuss
- 9. The reaction time for calculation of stopping distance may be assumed as
Options- A. 5 secs
- B. 2.5 secs
- C. 0.5 secs
- D. 10.0 secs Discuss
- 10. The percentage error in the computed discharge over a triangular notch corresponding to an error of 1% in the measurement of the head over the notch, would be
Options- A. 1.0
- B. 1.5
- C. 2.0
- D. 2.5 Discuss
GATE Exam Questions problems
Search Results
Correct Answer: to avoid rupture of steel in case a flexural failure occurs
Correct Answer: 1.5 mm less than the thickness of the plate
Correct Answer: 1200 and 2400
Correct Answer: aggregate interlock, particle friction and cohesion
Correct Answer: 400 kNm
Correct Answer: Evapotranspiration and capillary potential
Correct Answer: total organic solids
Correct Answer: 271
Correct Answer: 2.5 secs
Correct Answer: 2.5
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