| Borrow pits should preferably be located in |
A) Field on the left side of the canal
B) Field on the right side of the canal
C) Fields on both sides of the canal
D) Central half width of the section of the canal
| In Montague type fall |
A) A straight glacis is provided
B) A circular glacis is provided
C) A parabolic glacis is provided
D) No glacis is provided
| Cross regulators in main canals are provided |
A) To regulate water supply in the distributaries
B) To increase water head upstream when a main canal is running with low supplies
C) To overflow excessive flow water
D) None of these
| Bed bars in a canal are provided |
A) To watch the general behavior of canal
B) To measure the discharge
C) To raise the supply level
D) To control the silting
| Irrigation canals are generally aligned along |
A) Contour line
B) Valley line
C) Straight line
D) Ridge line
| In a canal syphon, the flow is |
A) Under atmospheric pressure
B) Pipe flow
C) With critical velocity
D) Under negative pressure
| The ratio of the rate of change of discharge of an outlet and parent channel, is known as |
A) Efficiency
B) Sensitivity
C) Flexibility
D) Modular limit
| A deficit of sediments in flowing water may cause a river |
A) Meandering type
B) Aggrading type
C) Degrading type
D) Sub-critical type
| In a barrage, the crest level is kept |
A) Low with large gates
B) High with large gates
C) High with no gates
D) Low with no gates
| Process of meandering is due to |
A) Sediment load of streams
B) Discharge and hydraulic properties of streams
C) Relative erodibility of the bed and banks
D) All the above
