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Irrigation Engineering

Irrigation Engineering
In a Sarda type fall, the rectangular crest, may be used for discharge upto

14 cumecs
20 cumecs
6 cumecs
10 cumecs

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Irrigation Engineering
Which of the following is a non-recording raingauge ?

Simon’s raingauge
floating type raingauge
Steven’s weighing type raingauge
tipping bucket type raingauge

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Irrigation Engineering
The Lacey's regime velocity is proportional to

R2/3 S1/2
R1/2 S3/4
Q3/4 S1/3
R3/4 S1/3

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Irrigation Engineering
The scour depth D of a river during flood, may be calculated from the Lacey's equation

D = 0.47 (Q/f)2/3
D = 0.47 (Q/f)
D = 0.47 (Q/f)1/2
D = 0.47 (Q/f)1/3

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Irrigation Engineering
To control the silt entry into a distributary at head regulator, King's vanes are provided which are the walls

Of height ⅓rd to ¼th the depth of water in the main canal
Of R.C.C. or steel plate 8 cm thick
All listed here
Spaced at interval of 1½ times their heights

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Irrigation Engineering
Infiltration capacity

changes with location
is a constant factor
changes with time
changes with both time and location

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