Water Resources Engineering problems
- 1. The formula for calculating the overland flow time (To) in hours for any basin, is (where Lo is the distance of the critical point and H is the difference in elevation)
Options- A.
- B.
- C.
- D.
Discuss
Correct Answer:
- 2. Pick up correct statement from the following :
Options- A. The air from outer portion of cyclones gets lifted for causing precipitation
- B. The air from central portion of cyclone's gets lifted for causing precipitation
- C. The air from entire surface of the cyclones gets lifted for causing precipitation
- D. None of those. Discuss
Correct Answer: The air from central portion of cyclone's gets lifted for causing precipitation
- 3. The elevation Z of the watershed is : (where letters carry their usual meanings)
Options- A. reduced level of the top most point of the basin
- B. reduced level of the lower most point of the basin
- C. average elevation of the highest and lowest point of the drainage basin
- D. obtained by the formula
Discuss
Correct Answer: obtained by the formula
- 4. Pick up the correct statement from the following :
Options- A. Higher the gauge, more deficient will be the rain catch
- B. Heavier the rain, lesser will be the rain catch
- C. The trees serving as wind brakes in the vicinity of the gauge, should not subtend angles greater than 45°
- D. Coniferrous forest is idealy suited for installing the gauge
- E. All the above. Discuss
Correct Answer: All the above.
- 5. When a constant discharge 2.91 litres/sec. was obtained in a pumping test, the draw downs in the test wells at 3 m and 6.184 m were 2.6 m and 0.3 m respectively. If over-all depth of the pumping well was 16 m, the permeability of the soil, is
Options- A. 0.0005 cm/sec
- B. 0.001 cm/sec
- C. 0.002 cm/sec
- D. 0.01 cm/sec. Discuss
Correct Answer: 0.001 cm/sec
- 6. A volume of air at constant barometric pressure may be brought to dew point by
Options- A. increasing the temperature
- B. decreasing the temperature
- C. neither (a) nor (b)
- D. both (a) and (b). Discuss
Correct Answer: decreasing the temperature
- 7. Levees and flood walls,
Options- A. are designed to carry unbalanced water load
- B. are designed with adequate dimensions
- C. are means of controlling floods
- D. are never provided free-boards. Discuss
Correct Answer: are never provided free-boards.
- 8. Pick up the correct statement from the following :
Options- A. Hydrograph is a plot of discharge and time
- B. In hydrographs, time is plotted on X-axis
- C. The maximum flow in the river due to rainfall, is called peak flow
- D. Peak flows are different for rainfalls
- E. All the above. Discuss
Correct Answer: All the above.
- 9. Pick up the correct statement from the following :
Options- A. The amount of water retained on the surface of soil grains by molecular attraction, is known as pellicular water
- B. The degree of resistance to movement of the pellicular water generally expressed by the surface tension
- C. The pellicular water held in any soil, is called field capacity
- D. The portion of the pellicular water absorbed by the root action of the vegetation, is called available moisture
- E. All the above. Discuss
Correct Answer: All the above.
- 10. Run off includes
Options- A. precipitation over catchment area of the stream and its attributaries
- B. surface run off
- C. ground water flow
- D. all the above. Discuss
Correct Answer: all the above.
More in Civil Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.