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- Question
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.
- Correct Answer
- 80 cumecs
- 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
- 2. Humidity refers to
Options- A. temperature of the air
- B. pressure of the air
- C. moisture content of the air
- D. volume of the air. Discuss
- 3. The recurrence interval (R.I.) of 20 cm rain storm at a place is 5 years.
Options- A. The place will definitely have 20 cm rain storm after every five years
- B. The place may have 20 cm rain storm after every five years
- C. The place may have 20 cm rain storm within a set of 5 years twice
- D. None of these. Discuss
- 4. The rational formula for calculating the discharge, is (where A is the area of basin and Po is one hour rainfall)
Options- A.
- B.
- C.
- D.
Discuss
- 5. If the dew point is greater than 0°C
Options- A. dew will be formed
- B. frost will be formed
- C. vapours will be formed
- D. neither of these. Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. 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
Water Resources Engineering problems
Search Results
Correct Answer: convective precipitation
Correct Answer: moisture content of the air
Correct Answer: The place may have 20 cm rain storm after every five years
Correct Answer:
Correct Answer: dew will be formed
Correct Answer: all the above.
Correct Answer: Yield of a drainage basin is the run off over long periods
Correct Answer: percentage of total surface run off during uniform time intervals on y-axis
Correct Answer: 245 sq. km.
Correct Answer: all the above.
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