Irrigation Engineering A minimum of 90 cm free board is provided if the discharge in the canal is between 30 to 33 cumecs Over 60 cumecs 30 to 60 cumecs Over 100 cumecs 30 to 33 cumecs Over 60 cumecs 30 to 60 cumecs Over 100 cumecs ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering To hold hydraulic jumps, baffle walls are provided in Sarda type falls Montague type falls English type falls Vertical type falls Sarda type falls Montague type falls English type falls Vertical type falls 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 decreases decreases continuously increases upto a certain limit and then becomes constant increases continuously increases upto a certain limit and then decreases decreases continuously increases upto a certain limit and then becomes constant increases continuously ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Lacey, depth of scour in a river depends upon the straightness of the reach. If D is the depth of scour in regime flow in a right angled bend, it is 1.50 D 1.75 D 2.00 D 1.25 D 1.50 D 1.75 D 2.00 D 1.25 D 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/(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 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are Parallel and at right angle to weir crest At right angle and parallel to weir crest At right angle to weir crest in both Parallel to weir crest in both Parallel and at right angle to weir crest At right angle and parallel to weir crest At right angle to weir crest in both Parallel to weir crest in both ANSWER DOWNLOAD EXAMIANS APP