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- Question
The water surface profile resulting from flow underneath the gate in the below figure is :
Options- A. H3
- B. M1
- C. H2
- D. S2
- Correct Answer
- M1
- 1. A pre-tensioned concrete member of section 200 mm x 250 mm contains tendons of area 500 mm2 at centre of gravity of the section. The prestress in the tendons is 1000 N/mm2. Assuming modular ratio as 10, the stress (N/mm2) in concrete is
Options- A. 11
- B. 9
- C. 7
- D. 5 Discuss
- 2. Generally the maximum deflection/span ratio of a steel member should not exceed
Options- A.
- B.
- C.
- D.
Discuss
- 3. In a river, discharge is 173 m3/s; water surface slope is 1 in 6000; and stage at the gauge station is 10.0 m. If during a flood, the stage at the gauge station is same and the water surface slope is 1 in 2000, the flood discharge in m3/s, is approximately
Options- A. 371
- B. 100
- C. 519
- D. 300 Discuss
- 4. According to Darcy's law for flow through porous media, the velocity is proportional to
Options- A. Effective stress
- B. hydraulic gradient
- C. cohesion
- D. stability number Discuss
- 5. Storage coefficient of a compressible confined aquifer is a function of
Options- A. specific weight of water, thickness of the aquifer, compressibility of the aquifer and that of water
- B. permeability, thickness and compressibility of aquifer and compressibility of water
- C. transmissibility of the aquifer and compressibility of water
- D. transmissibility of aquifer and specific yield of aquifer Discuss
- 6. A stable channel is to be designed for a discharge of Q m3 /s with silt factor f as per Lacey's method. The mean flow velocity (m/s) in the channel is obtained by
Options- A. (Qf2/140)1/6
- B. (Qf/140)1/3
- C. (Q2f2/140)1/6
- D. 0.48 (Q/f)1/3 Discuss
- 7. Biochemical oxygen demand (BOD) of waste water is a measure of
Options- A. total concentration of a biochemicals
- B. total concentration of organic matter
- C. concentration of biodegradable organic matter
- D. concentration of chemically oxidisable matter Discuss
- 8. While deriving an expression for loss of head due to a sudden expansion in a pipe, in addition to the continuity and impulse-momentum equations, one of the following assumptions is made :
Options- A. Head loss due to friction is equal to the head loss in eddying motion
- B. The mean pressure in eddying fluid is equal to the downstream pressure
- C. The mean pressure in eddying fluid is equal to the upstream pressure
- D. Head lost in eddies is neglected Discuss
- 9. A light house of 120 m height is just visible above the horizon from a ship. The correct distance (m) between the ship and the light house considering combined correction for curvature and refraction, is
Options- A. 39.098
- B. 42.226
- C. 39098
- D. 42226 Discuss
- 10. The most important water quality parameter for domestic use of water is
Options- A. carbonate hardness
- B. non-carbonate hardness
- C. coliform group of organisms
- D. chlorides Discuss
GATE Exam Questions problems
Search Results
Correct Answer: 9
Correct Answer:
Correct Answer: 300
Correct Answer: hydraulic gradient
Correct Answer: transmissibility of aquifer and specific yield of aquifer
Correct Answer: (Qf2/140)1/6
Correct Answer: concentration of biodegradable organic matter
Correct Answer: The mean pressure in eddying fluid is equal to the upstream pressure
Correct Answer: 42226
Correct Answer: non-carbonate hardness
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