Water Resources Engineering problems
- 1. Precipitation caused due to upward movement of warmer air as compared to surrounding air, is called
Options- A. cyclonic precipitation
- B. convective precipitation
- C. orographic precipitation
- D. none of these. Discuss
Correct Answer: convective precipitation
- 2. An intense rain is falling at a uniform rate of 7.5 cm/hour for a period of 60 minutes on a basin whose areas is 500 hectares. If the average infiltration capacity during the entire rain period is assumed to be 1.5 cm/hr, the maximum run-off rate based on 10 minute peak percentage of 16% from distributing graph of the basin, is
Options- A. 40 cumecs
- B. 60 cumecs
- C. 80 cumecs
- D. 100 cumecs. Discuss
Correct Answer: 80 cumecs
- 3. Water is useful for
Options- A. running hydroelectric turbines
- B. floating the boats and ships
- C. providing steam for running locomotives
- D. warming dwelling units
- E. all the above. Discuss
Correct Answer: all the above.
- 4. Pick up the correct statement from the following :
Options- A. Yield of a drainage basin is the run off at any time
- B. Yield of a drainage basin is the run off over long periods
- C. Yield of a drainage basin is expressed as surface run off per year
- D. Run off is expressed as total volume per day
- E. None of these. Discuss
Correct Answer: Yield of a drainage basin is the run off over long periods
- 5. Bernard's distribution graph is a plot of time on X-axis and
Options- A. run off on the y-axis
- B. total run off on the y-axis
- C. percentage of total surface run off on y-axis
- D. percentage of total surface run off during uniform time intervals on y-axis
- E. none of these. Discuss
Correct Answer: percentage of total surface run off during uniform time intervals on y-axis
- 6. If the axial length of a drainage basin is 35 km and its form factor is 0.2, the total area of the basin is
Options- A. 205 sq. km.
- B. 215 sq. km.
- C. 225 sq. km.
- D. 235 sq. km.
- E. 245 sq. km. Discuss
Correct Answer: 245 sq. km.
- 7. A control meter is preferred to a weir because
Options- A. it measures the discharge even in silt laiden streams
- B. the velocity of approach of the channel increases above the control, and thus removes the silt completely
- C. it is not damaged by floating debris
- D. all the above. Discuss
Correct Answer: all the above.
- 8. A river is said to be of uniform section if in its section
Options- A. a segment of a circle can be fitted
- B. a parabolic section can be fitted
- C. a rectangular section can be fitted
- D. a trapezoidal section can be fitted
- E. all the above. Discuss
Correct Answer: all the above.
- 9. Knowledge of hydrology is necessary for civil engineers for
Options- A. designing and construction of irrigation structures
- B. designing and construction of bridges and culverts
- C. flood control works
- D. all the above. Discuss
Correct Answer: all the above.
- 10. Pressure exerted by fully saturated air, is known
Options- A. partial pressure
- B. vapour pressure
- C. saturation vapour pressure
- D. saturation pressure
- E. (c) and (d) of the above. Discuss
Correct Answer: (c) and (d) of the above.
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