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 17 of 27

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Q161.
In the T-S diagram, the process of heating from condenser to boiler saturation temperature when the number of turbine extraction stages are finite is?

a.

Reversible

b.

Irreversible

c.

Adiabatic

d.

None of the mentioned

Discuss
Answer: (b).Irreversible
Q162.
For the process of heating from condenser to boiler saturation temperature to be reversible, the number of extraction stages involved in the entire cycle should be?

a.

Zero

b.

One

c.

Infinite

d.

Finite

Discuss
Answer: (c).Infinite
Q163.
Which of the processes immediately follows the expansion of throttle steam?

a.

heat given up by the steam is added to feedwater

b.

heating from condenser to boiler saturation temperature

c.

carnotization of rankine cycle

d.

none of the mentioned

Discuss
Answer: (a).heat given up by the steam is added to feedwater
Q164.
The output from boiler goes to?

a.

Turbine

b.

Condenser

c.

Pump

d.

Economiser

Discuss
Answer: (a).Turbine
Q165.
The area of parallelogram in the T-S diagram representing the cycle output is equal to?

a.

area of rectangle representing the output of the Carnot cycle

b.

area of the triangle representing the output of the Carnot cycle

c.

area of the square representing the output of the Carnot cycle

d.

none of the mentioned

Discuss
Answer: (a).area of rectangle representing the output of the Carnot cycle
Q166.
What is the value of “beta” if h represents the local enthalpy on the given expansion line at a given pressure & hf is the enthalpy of saturated water at that pressure?

a.

h + hf

b.

h x hf

c.

h – hf

d.

none of the mentioned

Discuss
Answer: (c).h – hf
Q167.
The expression for temperature rise t in feedwater heater when a & b are the temperatures of boiler saturation & condenser respectively, is given by which of the following expression?

a.

t = 0.5 (a x b)

b.

t = 0.5 (a / b)

c.

t = 0.5 (a + b)

d.

t = 0.5 (a – b)

Discuss
Answer: (d).t = 0.5 (a – b)
Q168.
What happens to the feedwater that enters the economiser?

a.

Feedwater is heated to the saturation temperature at the boiler pressure

b.

Feedwater is heated to the boiler temperature at the saturation pressure

c.

Feedwater is cooled to the saturation temperature

d.

Feedwater is cooled at the boiler pressure

Discuss
Answer: (a).Feedwater is heated to the saturation temperature at the boiler pressure
Q169.
The economiser can also be assumed as?

a.

Feedwater cooler

b.

Feedwater heater

c.

Economiser has nothing to do with Feedwater

d.

None of the mentioned

Discuss
Answer: (b).Feedwater heater
Q170.
The feedwater in the Economiser _________

a.

is heated by bled turbine steam

b.

is cooled by bled turbine steam

c.

is heated by outgoing flue gases

d.

is cooled by outgoing flue gases

Discuss
Answer: (c).is heated by outgoing flue gases
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