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 4 of 4

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Q31.
Manometric head, in case of a centrifugal pump, is equal to __________

a.

Suction lift + Loss of head in suction pipe due to friction + Delivery lift + Loss of head in delivery pipe due to friction + Velocity head in the delivery pipe

b.

Energy per kN at outlet of impeller – Energy per kN at inlet of impeller

c.

Workdone per kN of water – Losses within the impeller

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q32.
What is the mechanical efficiency of an impulse turbine?

a.

ratio of the actual power produced by the turbine to the energy actually supplied by the turbine

b.

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

c.

ratio of the Work done on the wheel to the energy of the jet

d.

none of the mentioned

Discuss
Answer: (b).ratio of the actual work available at the turbine to the energy imparted to the wheel
Q33.
The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as?

a.

unit speed

b.

terrific speed

c.

specific velocity

d.

specific speed

Discuss
Answer: (d).specific speed
Q34.
Geometric 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.

have identical forces

d.

are identical in shape, but differ only in size

Discuss
Answer: (d).are identical in shape, but differ only in size
Q35.
A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the __________

a.

manometric head

b.

velocity head

c.

kinetic head

d.

static head

Discuss
Answer: (a).manometric head
Q36.
Slip of a reciprocating pump is defined as the __________

a.

sum of actual discharge and the theoretical discharge

b.

ratio of actual discharge to the theoretical discharge

c.

difference of theoretical discharge and the actual discharge

d.

product of theoretical discharge and the actual discharge

Discuss
Answer: (c).difference of theoretical discharge and the actual discharge
Q37.
Multi-stage centrifugal pumps are used to __________

a.

produce high heads

b.

give high discharge

c.

pump viscous fluids

d.

all of the mentioned

Discuss
Answer: (a).produce high heads
Q38.
A hydraulic coupling belongs to the category of __________

a.

power absorbing machines

b.

energy transfer machines

c.

power developing machines

d.

energy generating machines

Discuss
Answer: (b).energy transfer machines
Q39.
Discharge of a centrifugal pump is __________

a.

inversely proportional to (diameter)² of its impeller

b.

inversely proportional to diameter of its impeller

c.

directly proportional to (diameter)² of its impeller

d.

directly proportional to diameter of its impeller

Discuss
Answer: (a).inversely proportional to (diameter)² of its impeller
Q40.
Which of the following turbine is preferred for 0 to 25 m head of water?

a.

Kaplan Turbine

b.

Pelton Turbine

c.

Francis Turbine

d.

None of the mentioned

Discuss
Answer: (a).Kaplan Turbine
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