IRRIGATION ENGINEERING QUIZ

Irrigation canals are generally aligned along

Straight line

Ridge line

Valley line

Contour line

TRUE ANSWER : ?
YOUR ANSWER : ?

The useful moisture of soil, is equal to its

Saturation capacity

Moisture content at permanent wilting point

Field capacity

Difference between filed capacity and permanent wilting point within the root zone of plants

TRUE ANSWER : ?
YOUR ANSWER : ?

Unit of runoff in M.K.S. system is

cubic metre

metre/sec

square metre

cubic metre/sec

TRUE ANSWER : ?
YOUR ANSWER : ?

A minimum of 90 cm free board is provided if the discharge in the canal is between

Over 100 cumecs

Over 60 cumecs

30 to 60 cumecs

30 to 33 cumecs

TRUE ANSWER : ?
YOUR ANSWER : ?

As compared to gravity dams, earthen dams

require sound rock foundations

are costlier

require less skilled labour

are less susceptible to failure

TRUE ANSWER : ?
YOUR ANSWER : ?

A raingauge should preferably be fixed

near the building

under the tree

in an open space

in a closed space

TRUE ANSWER : ?
YOUR ANSWER : ?

A unit hydro graph has one unit of

rainfall duration

time base of direct runoff

rainfall excess

discharge

TRUE ANSWER : ?
YOUR ANSWER : ?

The structure constructed to allow drainage water to flow under pressure through an inverted syphon below a canal, is called

Syphon

Super-aqueduct

Syphon aqueduct

Super passage

TRUE ANSWER : ?
YOUR ANSWER : ?

Interception losses are due to<br/>i) evaporation<br/>ii) transpiration<br/>iii) stream flow<br/>The correct answer is

only (i)

(i)and(ii)

(ii) and (iii)

(i), (ii) and (iii)

TRUE ANSWER : ?
YOUR ANSWER : ?

A divide wall is provided

Parallel to the axis of weir and upstream of it

Parallel to the axis of weir and downstream of it

At an inclination to the axis of weir

At right angle to the axis of weir

TRUE ANSWER : ?
YOUR ANSWER : ?

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