SSC JE 2019-20: Technical Quiz 87

What is water use efficiency ?

What is the difference between weir and Barrage

Wetted perimeter of a regime channel is found out with the help of Lacey’s theory. If the design discharge for the channel was 16m³/s, then the wetted perimeter will be

If the Kennedy’s regime flow velocity is equal to 0.55my^a, then the value of a is equal to.

The canal flows having a discharge of 2m³ per unit width and f=0.5. Determine the Lacey’s scour depth for the flow.

If the consumptive water requirement at a field is found out to be 1.5 m³/s then find out the discharge required at the inlet of the canal to just fulfil this demand. Water conveyance efficiency = 0.9, Water application efficiency = 0.8, Water use efficiency = 0.75.

For consistency of Rainfall Records, which method is used

Area between Isohytes is calculated by

A direct Runoff Hydrograph due to a storm idealized into a triangular shape has a peak flow rate of 100m³/s, occurring at 10hrs from its start. If the base width of this hydrograph is 37.5 hours, and catchment area is 675 km², then the runoff from storm is