Irrigation Engineering Practice Test 10

1. What is the approximate value of side slope of the bund for smaller tanks with water depths not exceeding 2.5 m in favorable soils such as red and white gravel, red and black loams?

2 H : 1 V

\(\frac{1}{2}\) H : 1 V

2 \(\frac{1}{2}\) H : 1V

1 \(\frac{1}{2}\) H : 1 V

2. To ensure maximum overall plant efficiency, the rated head should be equal to ______________

the design head

effective head

the gross head

the operating head

3. The value of power factor is generally _____________________

greater than unity

less than unity

equal to zero

equal to unity

4. Which of the following is an example of an impulse turbine?

Propeller turbine

Francis turbine

Pelton turbine

Kaplan turbine

5. What is the approximate value of Ryve’s coefficient for combined catchment having limited areas near hills?

10.2

8.5

Up to 40

6.5

6. If two identical pumps each capable to deliver a discharge Q against a head H are connected ___________________________

in series, the resulting discharge is 2Q against a head H

in parallel, the resulting discharge is Q against a head of 2H

in parallel, the resulting discharge is 2Q against a head H

in series, the resulting discharge is Q against a head 2H

7. The difference of head at the point of entry and exit of turbine is _______________

gross head

design head

rated head

effective head

8. The discharge through the sluice of a small irrigation tank is usually controlled by _______________

plug

dam stone

shutters

special balanced valves

9. The fuel consumption in water transport decreases as the depth of water between the bottom of the ship and the bottom of the river increases.

True

False

10. A special flexible joint called simplex joint is generally used to join _______________

vitrified clay conduits

hume steel conduits

galvanised iron pipes

asbestos conduits