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- Question
The quantity of water retained by the sub-soil against gravity, is known
Options- A. yield
- B. porosity
- C. specific yield
- D. specific retention
- E. none of these.
- Correct Answer
- specific retention
- 1. For computing the run off volumes of large areas, number of infiltrations used are
Options- A. 2
- B. 3
- C. 4
- D. 5 Discuss
- 2. For calculating the evaporation rate over a reservoir surface E = 0.771 (1.465 - 0.00732 B) (0.44 - 0.007375 V) (pe - pa), the equation is given by
Options- A. Roohwer's, formula in M.K.S.
- B. Roohwer's formula in F.P.S.
- C. Dalton's formula in F.P.S.
- D. Dalton's formula in M.K.S. Discuss
- 3. Burge formula
cumecs is based upon
Options- A. rainfall and drainage area
- B. run off and drainage area
- C. drainage area and its shape
- D. drainage area. Discuss
- 4. According to Robert E. Horton, the equation of infiltration capacity curve, is (where letters carry their usual meanings)
Options- A. f = fc (fo - fc) ekt
- B. f = ft - (fo - fc) e-kt
- C. f = ft + (fo - fc) e-kt
- D. f = f + (fo - fc) ekt Discuss
- 5. The run off a drainage basin is
Options- A. Initial recharge + ground water accretion + precipitation
- B. Precipitation + ground water accretion + initial recharge
- C. Precipitation - ground water accretion + initial recharge
- D. Precipitation - ground water accretion - initial recharge. Discuss
- 6. If a gauge is installed perpendicular to the slope, its measurement is reduced by multiplying
Options- A. sine of the angle of inclination with vertical
- B. cosine of the angle of inclination with vertical
- C. tangent of the angle of inclination with vertical
- D. calibration coefficient of the gauge. Discuss
- 7. Prof. Running suggested the method for extending the discharge curve. It is known as
Options- A. Logarithmic method
- B. y method
- C. General method
- D. None of these. Discuss
- 8. While calculating the average depth of annual precipitation in a catchment basin, importance to individual raingauge station is given in
Options- A. Arithmetical method
- B. Thiessen's mean method
- C. Isohyetal method
- D. both (a) and (b)
- E. both (b) and (c). Discuss
- 9. Pick up the correct statement from the following :
Options- A. Rain which is intercepted by buildings, vegetations and other objects, is generally known as rainfall interception
- B. The difference between the total rainfall and intercepted rainfall, is generally called ground rainfall
- C. When rainfall exceeds the interception rainfall, water reaches the ground and infiltration starts
- D. The maximum rate of absorbing water by the soil in any given condition, is known as infiltration capacity
- E. All the above. Discuss
- 10. The deficiency in rain catch due to vertical acceleration of air forced upward over the gauge, is
Options- A. greater for heavy rain
- B. greater for lighter rain
- C. greater for large drops
- D. lesser for small rain drops. Discuss
Water Resources Engineering problems
Search Results
Correct Answer: 2
Correct Answer: Roohwer's, formula in M.K.S.
Correct Answer: drainage area and its shape
Correct Answer: f = ft + (fo - fc) e-kt
Correct Answer: Precipitation - ground water accretion - initial recharge.
Correct Answer: cosine of the angle of inclination with vertical
Correct Answer: Logarithmic method
Correct Answer: both (b) and (c).
Correct Answer: All the above.
Correct Answer: greater for lighter rain
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