Irrigation Engineering The field capacity of a soil is 25%, its permanent wilting point is 15% and specific dry unity weight is 1.5. If the depth of root zone of a crop, is 80 cm, the storage capacity of the soil, is 8 cm 14 cm 12 cm 10 cm 8 cm 14 cm 12 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The maximum rainfall depth of 300 mm in 24 hours has a return period of 100 years. The probability of 24 hours rainfall equal to or greater than 300 mm occurring at least once in 10 years is given by l-(0.9)100 1 – (0.99)10 (0.99)10 (0.9)00 l-(0.9)100 1 – (0.99)10 (0.99)10 (0.9)00 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Hydrodynamic pressure due to earthquake acts at a height of 3H/4π above the base 4H/3π above the base 3H/4π below the water surface 4H/3π below the water surface, where H is the depth of water 3H/4π above the base 4H/3π above the base 3H/4π below the water surface 4H/3π below the water surface, where H is the depth of water ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If D is the depth of water upstream of the throat above its sill, B is the width of the throat, to achieve critical flow in an open venturi flume, the theoretical maximum flow Q, is Q = 1.71 BD3/2 Q = 1/71 BD2/3 Q = 1.71 BD Q = 1.71 BD1/2 Q = 1.71 BD3/2 Q = 1/71 BD2/3 Q = 1.71 BD Q = 1.71 BD1/2 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Wetted perimeter of a regime channel for a discharge of 64 cumecs as per Lacey’s theory will be 38m 19m 15m 91m 38m 19m 15m 91m ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If L is total length of a canal in kilometers, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is 100 PLC PC/100L PLC/1000 PL/1000C 100 PLC PC/100L PLC/1000 PL/1000C ANSWER DOWNLOAD EXAMIANS APP
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