Exercise: Irrigation

Questions for: Irrigation

To hold hydraulic jumps, baffle walls are provided in
A:
Sarda type falls
B:
English type falls
C:
Montague type falls
D:
Vertical type falls.
Answer: B
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The most suitable section of a lined canal, is
A:
triangular section with circular bottom for small canals
B:
trapezoidal section with rounded corners for large canals
C:
rectangular section with rounded corners for large canals
D:
both (a) and (b)
Answer: D
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Lacey's equation for calculating flood discharge in rivers, is
A:
V = 10.8 R1/2 S1/2
B:
V = 10.8 R2/3 S1/2
C:
V = 10.8 R2/3 S1/3
D:
V = 10.8 R1/3 S2/3
Answer: C
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The ratio of the rate of change of discharge of an outlet to the rate of change in level of water surface in a distributary at its normal depth, is known as
A:
efficiency
B:
sensitivity
C:
flexibility
D:
modular limit.
Answer: B
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While deciding the alignment of a proposed canal taking off from a river at B, three alignments of approximately equal lengths are available. These cross a drainages at C1, C2 and C3 where drainage bed levels C1 > C2 > C3, you will provide at site C3
A:
an aqueduct
B:
a syphon aqueduct
C:
a super passage
D:
a syphon.
Answer: A
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