Irrigation Engineering If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be 1/(1-0.9°10) 1 + (0.9)010 1/(1+ 0.9010) 1 – (0.9)°l0 1/(1-0.9°10) 1 + (0.9)010 1/(1+ 0.9010) 1 – (0.9)°l0 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering With the increase in the quantity of water supplied, the yield of most crops decreases continuously increases continuously increases upto a certain limit and then becomes constant increases upto a certain limit and then decreases decreases continuously increases continuously increases upto a certain limit and then becomes constant increases upto a certain limit and then decreases ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If B and d are the bed width and depth of a channel in meters, the combined losses due to evaporation and seepage in cumecs per kilometer length of the channel, is (1/100) × (B + d)2/3 (1/200) × (B + d)2/3 (1/150) × (B + d)2/3 (1/50) × (B + d)2/3 (1/100) × (B + d)2/3 (1/200) × (B + d)2/3 (1/150) × (B + d)2/3 (1/50) × (B + d)2/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In India, which of the following is adopted as standard recording rain-gauge? Tipping bucket type Natural siphon type Symon’s rain-gauge Weighing bucket type Tipping bucket type Natural siphon type Symon’s rain-gauge Weighing bucket type ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The main function of a diversion head works of a canal from a river, is To remove silt To raise water level To control floods To store water To remove silt To raise water level To control floods To store water ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering F.S.L. of a canal at its head with respect to parent channel is kept None of these At the same level 15 cm lower 15 cm higher None of these At the same level 15 cm lower 15 cm higher ANSWER DOWNLOAD EXAMIANS APP
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