The rate of evaporation from reservoirs may be determined by pan-measurement met

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Question
The rate of evaporation from reservoirs may be determined by
Options
A. pan-measurement method
B. empirical formulae
C. storage equation method
D. energy budget method
E. all the above.

Correct Answer

all the above.

Water Resources Engineering problems

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1. Relative humidity is the ratio of actual vapour pressure to the saturation vapour pressure
Options
A. at the same temperature
B. at the same pressure
C. in the same volume
D. in the atmosphere.

2. For efficient working of a control meter, its throat length is approximately kept
Options
A. equal to the critical depth
B. twice the critical depth
C. three times the critical depth
D. four times the critical depth.

4. The area enclosed by the adjacent isohyets of a catchment basin are shown under :

The average depth of annual precipitation in the catchment basin will be
Options
A. 60.0 cm
B. 60.5 cm
C. 61.5 cm
D. 62.5 cm
E. 63.5 cm.

6. Pick up the correct statement from the following :
Options
A. If ground water enters the channel, the channel is known as effulent channel
B. If water goes out of channel to meet ground water, the channel is said to be influent stream
C. If the water table is at higher level than the water level in channel, ground water flows to the stream
D. If the water level in stream is higher than the water table level, water from the channel enters into ground water
E. All the above.

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