Mechanical Engineering - Steam Boilers and Engines

31. 

The governing of steam engines keep the engine speed constant according to the changing load conditions

A. Yes
B. No

Answer: Option A

Explanation:

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32. 

A closed vessel made of steel and used for the generation of steam is called a

A. steam boiler
B. steam turbine
C. steam condenser
D. steam injector

Answer: Option A

Explanation:

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33. 

A Tandem type compound engine requires a larger flywheel.

A. True
B. False

Answer: Option A

Explanation:

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34. 

An economiser is installed in a boiler primarily to

A. superheat the steam
B. reduce fuel consumption
C. increase steam pressure
D. all of these

Answer: Option B

Explanation:

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35. 

The theoretical indicator diagram of a simple steam engine is based upon the assumption that

A. there is no pressure drop due to condensation
B. steam is admitted at boiler pressure and exhausted at condenser pressure
C. the expansion (or compression) of the steam is hyperbolic
D. all of the above

Answer: Option D

Explanation:

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