| The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called |
A) Sensitivity
B) Flexibility
C) Proportionality
D) None of the above
| Precipitation caused due to upward movement of warmer air as compared to surrounding air, is called |
A) Orographic precipitation
B) Cyclonic precipitation
C) Convective precipitation
D) None of these
| A hydraulic jump in a control meter will be formed above the control, if its original |
A) Depth is less than the critical depth
B) Depth is more than critical depth
C) Depth is equal to critical depth
D) None of these
| The main cause of meandering is |
A) Presence of an excessive bed slope in the river
B) Degradation
C) The extra turbulence generated by the excess of river sediment during floods
D) None of the above
| For the upstream face of an earthen dam, the most adverse condition for stability of slope is |
A) Steady seepage
B) During construction
C) Sloughing of slope
D) Sudden drawdown
| The best instrument for measuring the velocity of a stream flow is |
A) Pitot tube
B) Price’s current meter
C) Surface float
D) Sub-surface float
| Indian Meteorological department uses the standard gauges whose collectors have apertures of |
A) 100 or 200 sq. cm area
B) 50 or 100 sq. cm area
C) 100 or 150 sq. cm area
D) 250 or 500 sq. cm area
| The main function of a divide wall is to |
A) Separate the under-sluices from weir proper
B) Provide smooth flow at sufficiently low velocity
C) Control the silt entry in the canal
D) Prevent river floods from entering the canal
| Seepage through foundation in an earthen dam is controlled by providing |
A) Horizontal blanket
B) Rock toe
C) Chimney drain
D) Impervious cut off
| An aggrading river is a |
A) Scouring river
B) Both silting and scouring river
C) Silting river
D) Neither silting nor scouring river
