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
Related Mcqs:
- The main function of a divide wall is to_______________?
A. control the silt entry in the canal
B. prevent river floods from entering the canal
C. separate the undersluices from weir proper
D. provide smooth flow at sufficiently low velocity - A straight glacis type fall with a baffle platform and a baffle wall is called_____________?
A. vertical dropfall
B. glacis fall
C. Montague type fall
D. inglis fall - Infiltration capacity_________________?
A. is a constant factor
B. changes with time
C. changes with location
D. changes with both time and location - Hydrodynamic pressure due to earthquake acts at a height of_________________?
A. 3H/47I above the base
B. 3H747t below the water surface
C. 4H/371 above the base
D. 4H737t below the water surface where H is the depth of water - Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?
A. canal fall
B. canal outlet
C. canal escape
D. canal regulator - The most suitable chemical which can be applied to the water surface for reducing evaporation is________________?
A. methyl alcohol
B. ethyl alcohol
C. cetyl alcohol
D. butyl alcohol - A unit hydro graph has one unit of_______________?
A. rainfall duration
B. rainfall excess
C. time base of direct runoff
D. discharge - If the critical shear stress of a channel is xc, then the average value of shear stress required to move the grain on the bank is___________________?
A. 0.5 xc
B. 0.75 TC
C. xc
D. 1.33 TC - Horizontal acceleration due to earthquake results in______________?
A. hydrodynamic pressure
B. inertia force into the body of the dam
C. both (A) and (B)
D. none of the above - The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called________________?
A. effective rainfall
B. consumptive use
C. consumptive irrigation requirement
D. net irrigation requirement
