Explore topic-wise MCQs in Irrigation Engineering.

This section includes 11 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.

Wrought iron pipes are heavier than cast iron pipes and cannot be easily fabricated.

A. True
B. False
Answer» C.
2.

Which of the following pipes is used for carrying hot water in the interior of the building?

A. Wrought iron pipes
B. Copper pipes
C. Galvanised iron pipes
D. Plastic pipes
Answer» C. Galvanised iron pipes
3.

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

A. vitrified clay conduits
B. galvanised iron pipes
C. asbestos conduits
D. hume steel conduits
Answer» D. hume steel conduits
4.

Which of the following conduits is used when large diameter pipes of smaller wall thickness are required?

A. Cast iron conduits
B. Galvanized steel pipes
C. Hume steel conduits
D. Centrifugal type RCC pipe
Answer» C. Hume steel conduits
5.

__________________ joint is often used for connecting cast iron pipes.

A. Flexible joint
B. Expansion joint
C. Collar joints
D. Bell and spigot joint
Answer» E.
6.

Which head loss formula is also applicable to turbulent flow in pressure conduits?

A. Darch-Weisbach equation
B. Manning’s formula
C. Hazen-Williams formula
D. Both Darch-Weisbach and Manning’s formula
Answer» C. Hazen-Williams formula
7.

Which of the following types of pressure conduits is preferably used for large heads?

A. PCC pipes
B. Cast iron pipes
C. Pre-stressed concrete pipes
D. Asbestos pipes
Answer» D. Asbestos pipes
8.

The more rapid the closure of the valve, greater is the water hammer pressure developed.

A. True
B. False
Answer» B. False
9.

Hoop’s reinforcement is provided in cement concrete pressure pipes in order to counteract the _________

A. water hammer pressure
B. internal hammer pressure
C. stresses caused by the external backfills
D. both water hammer pressure and internal hammer pressure
Answer» E.
10.

The head loss in the flow of water through a penstock pipe of given length ____________

A. increases with the increase in flow velocity
B. decreases with the increase in flow velocity
C. decreases with the increase in the roughness of the pipe surface
D. decreases with time
Answer» B. decreases with the increase in flow velocity
11.

The flow through the penstocks and pressure conduits is generally ____________________

A. laminar
B. turbulent
C. both laminar and turbulent
D. unpredictable
Answer» C. both laminar and turbulent