IRRIGATION ENGINEERING QUIZ

Inlet and outlet

A syphon

A level crossing

An aqueduct

If the flexibility is zero, it is a rigid module

If the flexibility is more than one, the outlet is hyper-proportional

If the setting of an outlet is higher than that required for proportionality, the outlet is hyperproportional

All of these

equal to 1

greater than 1

less than 1

equal to zero

4 cm

5 cm

6.0 cm

4.5 cm

(i), (ii) and (iii)

(ii) and (iii)

only (i)

(i)and(ii)

convex water surface

independent of shape of water surface

flat water surface

concave water surface

increases upto a certain limit and then decreases

increases upto a certain limit and then becomes constant

decreases continuously

increases continuously

discharge

rainfall excess

time base of direct runoff

rainfall duration

Valley canals

Inundation canals

Contour canals

Drains

lower level

higher level

any of the above depending on the design

same level