A. water surface under the ground is at atmospheric pressure
B. water is under pressure between two impervious strata
C. water table serves as upper surface of zone of saturation
D. none of the above
✅ The correct answer is option B.
Water Resources Engineering and Hydrology MCQs
The aqueduct or superpassage type of works are generally used when_______________?
A. high flood drainage discharge is small
B. high flood drainage discharge is large and short lived
C. high flood drainage discharge is large and continues for a long time
D. none of the above
✅ The correct answer is option A.
The water utilizable by plants is available in soils mainly in the form of________________?
A. gravity water
B. capillary water
C. hydroscopic water
D. chemical water
✅ The correct answer is option B.
Silt excluders are constructed on the________________?
A. river bed upstream of head regulator
B. river bed downstream of head regulator
C. canal bed upstream of head regulator
D. canal bed downstream of head regulator
✅ The correct answer is option A.
Under the same conditions, which of the following shapes of water surface will give the highest rate of evaporation ?
A. flat water surface
B. convex water surface
C. concave water surface
D. independent of shape of water surface
✅ The correct answer is option B.
Which of the following can be used as a meter fall ?
A. vertical drop fall
B. flumed glacis fall
C. unflumed glacis fall
D. all of the above
✅ The correct answer is option A.
A 70% index of wetness means_______________?
A. rain excess of 30%
B. rain deficiency of 30%
C. rain deficiency of 70%
D. none of the above
✅ The correct answer is option B.
The shape of recession limb of a hydrograph depends upon________________?
A. basin characteristics only
B. storm characteristics only
C. both (A) and (B)
D. none of the above
✅ The correct answer is option A.
Wetted perimeter of a regime channel for a discharge of 64 cumecs as per Lacey’s theory will be_________?
A. 19 m
B. 38m
C. 57m
D. 76m
✅ The correct answer is option B.
The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after_________________?
A. 50 years
B. 150 years
C. 200 years
D. 250 years
✅ The correct answer is option A.