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 16 of 27

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Q151.
Which of these is a disadvantage of open heater?

a.

simplicity

b.

lower cost

c.

high heat transfer capacity

d.

none of the mentioned

Discuss
Answer: (d).none of the mentioned
Q152.
Which of the following is not an advantage of an open heater?

a.

simplicity

b.

lower cost

c.

high heat transfer capacity

d.

necessity of a pump at each heater to handle the large feedwater stream

Discuss
Answer: (d).necessity of a pump at each heater to handle the large feedwater stream
Q153.
The number of pumps required by a closed heater for pumping the main feedwater stream is?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (a).1
Q154.
What is the purpose of using open heaters in steam power plants?

a.

feedwater purification

b.

feedwater esterification

c.

feedwater deaeration

d.

feedwater carbonisation

Discuss
Answer: (c).feedwater deaeration
Q155.
Why are closed heaters sometimes made vertical?

a.

to reduce weight of heaters

b.

to reduce floor areas for installations

c.

to minimize losses due to weight

d.

none of the mentioned

Discuss
Answer: (b).to reduce floor areas for installations
Q156.
In the T-S diagram of a Rankine cycle, the abscissa represents?

a.

total entropy of turbine steam

b.

partial entropy of turbine steam

c.

partial enthalpy of turbine steam

d.

none of the mentioned

Discuss
Answer: (a).total entropy of turbine steam
Q157.
After the expansion of throttle steam, why is some steam extracted?

a.

so that the total amount of steam in the entire system remains same

b.

so that the variation in temperature is constant

c.

so that pressure variation is constant

d.

so that the total entropy is reduced

Discuss
Answer: (d).so that the total entropy is reduced
Q158.
The heat given up by the expansion of throttle steam is utilised in?

a.

maintaining the heat flow in the system

b.

reducing temperature variation in the system

c.

heating the feedwater

d.

cooling feedwater

Discuss
Answer: (c).heating the feedwater
Q159.
“Regenerative feedwater heating by turbine extraction” is often termed as?

a.

Electrophoresis of Rankine cycle

b.

Sterlinisation of Rankine cycle

c.

Carnotization of Rankine cycle

d.

None of the mentioned

Discuss
Answer: (c).Carnotization of Rankine cycle
Q160.
A regenerative feedwater heating cycle with an infinite number of feedwater heaters has efficiency equal to?

a.

Brayton cycle

b.

Carnot cycle

c.

Diesel cycle

d.

Otto cycle

Discuss
Answer: (b).Carnot cycle
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