71. A hydroelectric scheme operating under a head of 80 m will be classified as_____________?
A. low head scheme
B. medium head scheme
C. high head scheme
D. none of the above
✅ The correct answer is option C.
Irrigation, Water Resources Engineering and Hydrology MCQs
72. The water stored in the reservoir below the minimum pool level is called_______________?
A. useful storage
B. dead storage
C. valley storage
D. surcharge storage
✅ The correct answer is option B.
73. A river training work is generally required when the river is_______________?
A. aggrading type
B. degrading type
C. meandering type
D. both (A) and (B)
✅ The correct answer is option C.
74. A raingauge should preferably be fixed________________?
A. near the building
B. under the tree
C. in an open space
D. in a closed space
✅ The correct answer is option C.
75. If D is the depth of scour below original bed, then the width of launching apron is generally taken as________________?
A. 1.2 D
B. 1.5 D
C. 2.0 D
D. 2.5 D
✅ The correct answer is option B.
76. Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?
A. canal fall
B. canal outlet
C. canal escape
D. canal regulator
✅ The correct answer is option C.
77. The “outlet discharge factor” is the duty at the head of_________________?
A. main canal
B. branch canal
C. watercourse
D. distributory
✅ The correct answer is option C.
78. The maximum average depth due to one day storm over an area of 100 km2 is 100 mm. Depth-Area-Duration (DAD. curves indicate that for the same area of 100 km2 the maximum average depth for a 3 hour storm will be__________________?
A. 100 mm
B. more than 100 mm
C. less than 100 mm
D. none of the above
✅ The correct answer is option B.
79. Dimensions of coefficient of transmissibility are______________?
A. M°L°T°
B. rvfL’T”1
C. M° L2 T1
D. M’LV
✅ The correct answer is option C.
80. Hydrodynamic pressure due to earthquake acts at a height of_________________?
A. 3H/47I above the base
B. 3H747t below the water surface
C. 4H/371 above the base
D. 4H737t below the water surface where H is the depth of water
✅ The correct answer is option C.