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Steam Power Plants - Electric power system MCQs

Steam Power Plants MCQs : This section focuses on the "Steam Power Plants" in Electric power system. These Multiple Choice Questions (MCQs) should be practiced to improve the Electric power system skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

The steam-electric power station is a power station in which the electric generator is steam driven.

C. Can be true or false
D. Can not say

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Question 2

Most electric power is produced by steam-electric power plants, which produce about _________ of all electric.

A. 0.51
B. 0.63
C. 0.78
D. 0.89

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Question 3

The steam vapor picks up energy and is superheated _______ the saturation temperature.

A. below
B. above
C. equal to
D. Can not say

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Question 4

Which part of thermal power plant causes maximum energy losses?

A. Alternator
B. Boiler
C. Condenser
D. Ash and unburnt carbon

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Question 5

What is the effect of increasing steam pressure on efficiency of steam power plant?

A. Increases linearly
B. Increases nonlinearly
C. Decreases linearly
D. Does not changes

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Question 6

What is the principle of operation of steam power plant?

A. Carnot cycle
B. Brayton cycle
C. Stirling cycle
D. Rankine cycle

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Question 7

Which of the following material is not used in the boiler furnace walls?

A. Fire clay
B. Silica
C. Concrete
D. Kaolin

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Question 8

Which of the following is not a type of steam turbine?

A. Impulse turbine
B. Reaction turbine
C. Pelton wheel turbine
D. Axial flow type turbine

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Question 9

Preheating the feedwater reduces the irreversibilities involved in steam generation

C. Can be true or false
D. Can not say

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Question 10

Geothermal plants need ______ boiler

A. 0
B. 1
C. 2
D. 3

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