Irrigation Engineering A minimum of 90 cm free board is provided if the discharge in the canal is between 30 to 60 cumecs Over 60 cumecs Over 100 cumecs 30 to 33 cumecs 30 to 60 cumecs Over 60 cumecs Over 100 cumecs 30 to 33 cumecs ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Lining of irrigation channels None of these increases the waterlogging area decreases the waterlogging area does not change the water logging area None of these increases the waterlogging area decreases the waterlogging area does not change the water logging area ANSWER DOWNLOAD EXAMIANS APP
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 – (0.9)°l0 1 + (0.9)010 1/(1-0.9°10) 1/(1+ 0.9010) 1 – (0.9)°l0 1 + (0.9)010 1/(1-0.9°10) 1/(1+ 0.9010) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The difference in level between the top of a bank and supply level in a canal, is called Height of bank Berm Free board None of these Height of bank Berm Free board None of these ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by total rainfall direct runoff volume None of these period of storm total rainfall direct runoff volume None of these period of storm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The downstream expansion head of a guide bank is extended to subtend an angle at the centre, equal to 90° 45° 30° 60° 90° 45° 30° 60° ANSWER DOWNLOAD EXAMIANS APP
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