Analysis of Steam Engine MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Analysis of Steam Engine, 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 Analysis of Steam Engine 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 Analysis of Steam Engine mcq questions that explore various aspects of Analysis of Steam Engine problems. Each MCQ is crafted to challenge your understanding of Analysis of Steam Engine 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 Analysis of Steam Engine MCQs are your pathway to success in mastering this essential Power Plant Engineering topic.

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Analysis of Steam Engine MCQs | Page 24 of 27

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Q231.
Name the major isotope present in steam generated in a Boiling Water Reactor.

a.

N-16

b.

D-32

c.

N-32

d.

D-16

Discuss
Answer: (a).N-16
Q232.
Efficiency of a power plant is more in summers or winters?

a.

summers

b.

winters

c.

same in both

d.

depends on variation

Discuss
Answer: (b).winters
Q233.
What is the mechanical efficiency of turbine?

a.

brake output / internal output

b.

internal output / brake output

c.

blade energy / energy supplied

d.

none of the mentioned

Discuss
Answer: (b).internal output / brake output
Q234.
The steam power plant is a bulk energy converter where fuel energy is converted to?

a.

heat energy

b.

electrical energy

c.

chemical energy

d.

none of the mentioned

Discuss
Answer: (b).electrical energy
Q235.
Rate of energy released by the combustion of the fuel is given by?

a.

Fuel burning rate x Calorific Value of the fuel

b.

Fuel burning rate / Calorific Value of the fuel

c.

Fuel burning rate + Calorific Value of the fuel

d.

Fuel burning rate – Calorific Value of the fuel

Discuss
Answer: (a).Fuel burning rate x Calorific Value of the fuel
Q236.
The overall efficiency n(overall) of a steam power plant is given by?

a.

n(overall) = (power available at the generator terminals / (Fuel burning rate x Calorific Value of the fuel))

b.

n(overall) = (power available at the generator terminals + (Fuel burning rate x Calorific Value of the fuel))

c.

n(overall) = (power available at the generator terminals – (Fuel burning rate x Calorific Value of the fuel))

d.

none of the mentioned

Discuss
Answer: (a).n(overall) = (power available at the generator terminals / (Fuel burning rate x Calorific Value of the fuel))
Q237.
Which of the following shows the correct relation? (nboiler denotes efficiency of a boiler)

a.

n(boiler) = (rate of energy absorption by water to form steam / rate of energy released by the combustion of fuel)

b.

n(boiler) = (rate of energy absorption by water to form steam + rate of energy released by the combustion of fuel)

c.

n(boiler) = (rate of energy absorption by water to form steam – rate of energy released by the combustion of fuel)

d.

n(boiler) = (rate of energy absorption by water to form steam x rate of energy released by the combustion of fuel)

Discuss
Answer: (a).n(boiler) = (rate of energy absorption by water to form steam / rate of energy released by the combustion of fuel)
Q238.
The mechanical efficiency of a turbine is given by? (ntm denotes the mechanical efficiency)

a.

ntm = (brake output of the turbine x internal output of the turbine)

b.

ntm = (internal output of the turbine / break output of the turbine)

c.

ntm = (brake output of the turbine / internal output of the turbine)

d.

ntm = (brake output of the turbine – internal output of the turbine)

Discuss
Answer: (c).ntm = (brake output of the turbine / internal output of the turbine)
Q239.
If Q₁ represents the rate of heat addition to the cycle and Wnet represents net cycle work output, the expression for net cycle heat rate is?

a.

Q₁ + Wnet

b.

Q₁ / Wnet

c.

Q₁ / (1/Wnet)

d.

Q₁ x Wnet

Discuss
Answer: (b).Q₁ / Wnet
Q240.
The generator efficiency n of the electric alternator is?

a.

n = (electrical output at generator terminals / Brake output of the turbine)

b.

n = (electrical output at generator terminals x Brake output of the turbine)

c.

n = (electrical output at generator terminals / (1/ Brake output of the turbine))

d.

none of the mentioned

Discuss
Answer: (a).n = (electrical output at generator terminals / Brake output of the turbine)
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