Agriculture MCQs

2794 MCQs  (Page 57 of 280)

The discharge over a rectangular notch is determined by _____________________?
A. 2/3 cd. b (2 gh) 1/2
B. 2/3 cd. b (2g) 1/2 h
C. 2/3 cd. b (2g) 1/2 h3/2
D. 2/3 cd. b (2g) 1/2 h 5/2
in most economical Trapezoidal section, half of the Top width is equal to _________________?
A. Bottom width of channel
B. Depth of channel
C. Sloping side of channel
D. None of these
Out/ of a well water is more than canal water because____________________?
A. Conveyance losses in well irrigation are less
B. Well water is clear than canal water
C. Lifting of water increase cost of well water
D. Well water is used economically