A. pressure difference
B. temperature difference
C. natural topographical barriers
D. all of the above
A. more than the infiltration capacity
B. less than the infiltration capacity
C. equal to or less than the infiltration capacity
D. equal to or more than the infiltration capacity
A. useful storage – valley storage
B. useful storage + surcharge storage
C. useful storage + surcharge storage + valley storage
D. useful storage + surcharge storage -valley storage
A. shorter duration from longer duration
B. longer duration from shorter duration
C. both (A) and (B)
D. none of the above
A. B/2
B. B/3
C. B/4
D. B/6
A. at right angle to the axis of weir
B. parallel to the axis of weir and up-stream of it
C. parallel to the axis of weir and down-stream of it
D. at an inclination to the axis of weir
A. at the toe
B. at the heel
C. within the middle third of base
D. at centre of base