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/(1+ 0.9010) 1 + (0.9)010 1 – (0.9)°l0 1/(1-0.9°10) 1/(1+ 0.9010) 1 + (0.9)010 1 – (0.9)°l0 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The measure to remove water logging of land, is Both (a) and (b) To reduce percolation from canals and water courses To increase outflow from the ground water reservoir Neither (a) nor (b) Both (a) and (b) To reduce percolation from canals and water courses To increase outflow from the ground water reservoir Neither (a) nor (b) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The main function of a diversion head works of a canal from a river, is To control floods To remove silt To store water To raise water level To control floods To remove silt To store water To raise water level ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The runoff increases with increase in intensity of rain increase in permeability of soil increase in infiltration capacity All of these increase in intensity of rain increase in permeability of soil increase in infiltration capacity All of these ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The most suitable material for the central impervious core of a zoned embankment type dam is silty clay clay mixed with fine sand coarse sand clay silty clay clay mixed with fine sand coarse sand clay ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering With the increase in the quantity of water supplied, the yield of most crops increases upto a certain limit and then becomes constant increases continuously decreases continuously increases upto a certain limit and then decreases increases upto a certain limit and then becomes constant increases continuously decreases continuously increases upto a certain limit and then decreases ANSWER DOWNLOAD EXAMIANS APP