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 1 of 4

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Q1.
For centrifugal pump impeller, what is the maximum value of the vane exit angle?

a.

100 to 150

b.

150 to 200

c.

200 to 250

d.

250 to 300

Discuss
Answer: (c).200 to 250
Q2.
In which turbine the pressure energy of water is first converted into kinetic energy by means of nozzle kept close to the runner?

a.

Impulse turbine

b.

Reaction turbine

c.

Both Impulse and Reaction turbine

d.

None of the mentioned

Discuss
Answer: (a).Impulse turbine
Q3.
The pressure of water is atmospheric and remains constant while passing over the runner in __________

a.

Impulse turbine

b.

Reaction turbine

c.

Both Impulse and Reaction turbine

d.

None of the mentioned

Discuss
Answer: (a).Impulse turbine
Q4.
The energy of water entering the reaction turbine is _______

a.

fully the kinetic energy

b.

fully the pressure energy

c.

partly the pressure energy and partly the kinetic energy

d.

unpredictable

Discuss
Answer: (c).partly the pressure energy and partly the kinetic energy
Q5.
Which of the following is an example of impulse turbine?

a.

Propeller turbine

b.

Francis turbine

c.

Kaplan turbine

d.

Pelton wheel

Discuss
Answer: (d).Pelton wheel
Q6.
The runner of __________ turbine always be under pressure of above atmospheric pressure.

a.

Turgo

b.

Girand

c.

Kaplan

d.

None of the mentioned

Discuss
Answer: (c).Kaplan
Q7.
What is the head of water available at turbine inlet in hydro-electric power plant called?

a.

head race

b.

tail race

c.

gross head

d.

net head

Discuss
Answer: (d).net head
Q8.
Gross head is the difference between __________

a.

head race and tail race

b.

head race and net head

c.

head race and friction losses

d.

net head and friction losses

Discuss
Answer: (a).head race and tail race
Q9.
What is runaway speed of the runner of Pelton wheel?

a.

maximum unsafe speed of the runner due to sudden increase in load on turbine

b.

minimum safe speed of the runner due to sudden increase in load on turbine

c.

maximum unsafe speed of the runner due to sudden decrease in load on turbine

d.

minimum safe speed of the runner due to sudden decrease in load on turbine

Discuss
Answer: (c).maximum unsafe speed of the runner due to sudden decrease in load on turbine
Q10.
What is the formula for the velocity of water jet at the inlet of turbine?
Where,

H = Net head acting on Pelton wheel
Cv = coefficient of velocity of jet

a.

V = Cv((gH)(½))

b.

V = 2Cv((gH)(½))

c.

V = Cv((2gH)(½))

d.

V = 2Cv((gH)(½))

Discuss
Answer: (c).V = Cv((2gH)(½))
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