9 NOVEMBER 2020 CURRENT AFFAIRS QUIZ

The uplift pressure on the roof of an inverted syphon, is maximum when

Canal is running dry

Canal is running with F.S.L.

Drain is running with H.F.L.

Drain in running dry

TRUE ANSWER : ?
YOUR ANSWER : ?

In a Sarda type fall, the rectangular crest, may be used for discharge upto

10 cumecs

20 cumecs

14 cumecs

6 cumecs

TRUE ANSWER : ?
YOUR ANSWER : ?

River training for depth is achieved by

groynes

construction of dykes or leavees

groynes and bandalling

both (A) and (B)

TRUE ANSWER : ?
YOUR ANSWER : ?

Hydrograph is the graphical representation of

surface runoff and time

runoff and time

ground waterflow and time

rainfall and time

TRUE ANSWER : ?
YOUR ANSWER : ?

The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called

net irrigation requirement

consumptive irrigation requirement

consumptive use

effective rainfall

TRUE ANSWER : ?
YOUR ANSWER : ?

When a canal is carried over a natural drainage, the structure provided, is known as

Syphon

Syphon-aqueduct

Aqueduct

Super passage

TRUE ANSWER : ?
YOUR ANSWER : ?

The width of a meander belt is the transverse distance between

Apex point and the crossing

None of these

Two banks of meandering river

Apex point of one curve and apex point of the reserve curve

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following canal outlets maintains a constant discharge ?

rigid module

non-modular outlet

flexible outlet

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick up the incorrect statement from the following. Culturable commanded area is the gross area of an irrigation canal system less

Alkaline area

Fallow land

Forest area

Populated area

TRUE ANSWER : ?
YOUR ANSWER : ?

Hydrodynamic pressure due to earthquake acts at a height of

4H/3π above the base

4H/3π below the water surface, where H is the depth of water

3H/4π above the base

3H/4π below the water surface

TRUE ANSWER : ?
YOUR ANSWER : ?

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