Hydroelectric Power Plant MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Hydroelectric Power Plant, a fundamental topic in the field of Power Plant Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Hydroelectric Power Plant MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Hydroelectric Power Plant mcq questions that explore various aspects of Hydroelectric Power Plant problems. Each MCQ is crafted to challenge your understanding of Hydroelectric Power Plant principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Power Plant Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Hydroelectric Power Plant MCQs are your pathway to success in mastering this essential Power Plant Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Hydroelectric Power Plant. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Hydroelectric Power Plant knowledge to the test? Let's get started with our carefully curated MCQs!

Hydroelectric Power Plant MCQs | Page 2 of 4

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Q11.
Power required to drive a centrifugal pump is directly proportional to __________ of its impeller.

a.

cube of diameter

b.

fourth power of diameter

c.

diameter

d.

square of diameter

Discuss
Answer: (b).fourth power of diameter
Q12.
In a reaction turbine, the draft tube is used __________

a.

to increase the head of water by an amount equal to the height of the runner outlet above the tail race

b.

to transport water to downstream

c.

to run the turbine full

d.

to prevent air to enter the turbine

Discuss
Answer: (a).to increase the head of water by an amount equal to the height of the runner outlet above the tail race
Q13.
The specific speed from 160 to 500 r.p.m. of a centrifugal pump indicates that the pump is __________

a.

high speed with radial flow at outlet

b.

slow speed with radial flow at outlet

c.

medium speed with radial flow at outlet

d.

high speed with axial flow at outlet

Discuss
Answer: (d).high speed with axial flow at outlet
Q14.
Which of the following pump is preferred for flood control and irrigation applications?

a.

Reciprocating pump

b.

Axial flow pump

c.

Mixed flow pump

d.

Centrifugal pump

Discuss
Answer: (b).Axial flow pump
Q15.
Kinematic similarity is said to exist between the model and the prototype, if both of them __________

a.

are equal in size and shape

b.

have identical velocities

c.

are identical in shape, but differ only in size

d.

have identical forces

Discuss
Answer: (b).have identical velocities
Q16.
The impeller of a centrifugal pump may have __________

a.

vortex casing

b.

volute casing

c.

volute casing with guide blades

d.

any of the mentioned

Discuss
Answer: (d).any of the mentioned
Q17.
In a Francis turbine runner, the number of blades are generally between __________

a.

2 to 4

b.

8 to 16

c.

4 to 8

d.

16 to 24

Discuss
Answer: (d).16 to 24
Q18.
The hydraulic efficiency of a reaction turbine is the ratio of __________

a.

actual work available at the turbine to energy imparted to the wheel

b.

power produced by the turbine to the energy actually supplied by the turbine

c.

work done on the wheel to the energy actually supplied to the turbine

d.

none of the mentioned

Discuss
Answer: (c).work done on the wheel to the energy actually supplied to the turbine
Q19.
If the ratios of the corresponding forces acting at corresponding points are equal, then the model and the prototype are said to have __________

a.

kinematic similarity

b.

geometric similarity

c.

dynamic similarity

d.

none of the mentioned

Discuss
Answer: (c).dynamic similarity
Q20.
In a reciprocating pump, air vessels are used to __________

a.

increase delivery head

b.

reduce suction head

c.

smoothen the flow

d.

reduce acceleration head

Discuss
Answer: (d).reduce acceleration head
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