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.Management Sciences
Category: Irrigation, Water Resources Engineering and Hydrology
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
A unit hydro graph has one unit of_______________?
A. rainfall duration
B. rainfall excess
C. time base of direct runoff
D. discharge
Study the following statements?
1. Levees are constructed parallel to river flow
2. Spurs are constructed parallel to river flow
3. Levees are constructed transverse to river flow
4. Spurs are constructed transverse to river flow
The correct answer is
A. (1) and (2)
B. (1) and (4)
C. (2) and (3)
D. (3) and (4)
In a chute spillway, the flow is usually____________________?
A. uniform
B. subcritical
C. critical
D. super critical
The normal annual precipitation at stations X, A, B and C are 700 mm, 1000 mm, 900 mm and 800 mm respectively. If the storm precipitation at three station A, B and C were 100 mm, 90 mm and 80 mm respectively, then the storm precipitation for station X will be___________________?
A. 70mm
B. 80mm
C. 90 mm
D. 105 mm
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 peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be__________________?
A. 20 3/sec
B. 25 m3/sec
C. 30 m3/sec
D. 35 m3/sec
The relation between probability (P) and recurrence interval (T) is given by_________________?
A. PT = 1
B. PT2 = 1
C. P/T = 1
D. P/T2 = 1
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 ratio of the average load to the installed capacity of the plant whose reserve capacity is zero will be equal to__________________?
A. load factor
B. plant factor
C. utilisation factor
D. both (A) and (B)
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