For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is_______________?

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. is a constant factor
B. changes with time
C. changes with location
D. changes with both time and location

A. uniform
B. subcritical
C. critical
D. super critical

A. meander belt to meander length
B. meander length to meander belt
C. curved length along the channel to the direct axial length of the river reach
D. direct axial length of the river reach to curved length along the channel

A. increases continuously
B. decreases continuously
C. increases upto a certain limit and then becomes constant
D. increases upto a certain limit and then decreases

A. basin characteristics only
B. storm characteristics only
C. both (A) and (B)
D. none of the above