Explore topic-wise MCQs in Irrigation Engineering.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Irrigation Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

The Pumps in series operation allow the head to increase and the pumps in parallel operation increase the flow rate.

A. True
B. False
Answer» B. False
Discussion
2.

Consider the following statements. Which of these statements are correct?

A. i and ii
B. ii and iii
C. i and iv
D. ii and ivView Answer
Answer» C. i and iv
Discussion
3.

Pick the correct choice of turbine required to generate 10,000 HP under a head of 81 m while working at a speed of 500 rpm.

A. Pelton
B. Kaplan
C. Bulb
D. Francis
Answer» E.
Discussion
4.

A draft tube is essentially required for impulse type turbines.

A. True
B. False
Answer» C.
Discussion
5.

If the specific speed in revolution per minute of a turbine is in between 60 to 300, the type of the turbine is ________________

A. Pelton turbine
B. Francis turbine
C. Propeller turbine
D. Kaplan turbine
Answer» C. Propeller turbine
Discussion
6.

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

A. in parallel, the resulting discharge is 2Q against a head H
B. in parallel, the resulting discharge is Q against a head of 2H
C. in series, the resulting discharge is 2Q against a head H
D. in series, the resulting discharge is Q against a head 2H
Answer» B. in parallel, the resulting discharge is Q against a head of 2H
Discussion
7.

For a hydropower plant working on 150 m head, the water is sandy and the load on the plant is highly variable. Which type of turbine will generally be recommended?

A. Pelton Turbine
B. Francis turbine
C. Kaplan turbine
D. Propeller turbine
Answer» B. Francis turbine
Discussion
8.

For a hydropower plant having 150 m head of stored water behind the dam. The water in the reservoir is clear and load on the powerhouse is not likely to fluctuate much. Which type of turbine will be suitable for the same?

A. Pelton turbine
B. Francis turbine
C. Kaplan turbine
D. Propeller turbine
Answer» C. Kaplan turbine
Discussion
9.

In a Francis turbine, the water flows through a closed draft tube.

A. True
B. False
Answer» B. False
Discussion
10.

In a reaction turbine like a Francis turbine or a Kaplan turbine ______________

A. the potential head of water is totally changed into the kinetic head
B. the potential head of water is partially changed into the kinetic head
C. the potential head of water is not at all changed into the kinetic head
D. the change of potential head of water totally or partially depends on other factors as well
Answer» C. the potential head of water is not at all changed into the kinetic head
Discussion
11.

An impulse turbine like a Pelton’s turbine is __________________________

A. an open body exposed to the atmosphere
B. a closed body not exposed to the atmosphere
C. a partially open and partially closed body
D. depends on the design requirements
Answer» B. a closed body not exposed to the atmosphere
Discussion
12.

Kaplan turbines are found to be more versatile and costly in their initial cost as compared to propeller turbines.

A. True
B. False
Answer» B. False
Discussion
13.

An impulse turbine is essentially a __________________

A. low-speed turbine and is used for high heads
B. low-speed turbine and is used for low heads
C. high-speed turbine and is used for high heads
D. high-speed turbine and is used for low heads
Answer» B. low-speed turbine and is used for low heads
Discussion
14.

Which of the following is turbine is used for medium heads ranging from 25 to 150 meters?

A. Pelton turbine
B. Kaplan turbine
C. Francis turbine
D. Propeller turbine
Answer» D. Propeller turbine
Discussion
15.

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

A. Pelton turbine
B. Francis turbine
C. Kaplan turbine
D. Propeller turbine
Answer» B. Francis turbine
Discussion