Mechanical Engineering - Steam Boilers and Engines

26. 

A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as

A. steam condenser
B. steam boiler
C. steam preheater
D. economiser

Answer: Option A

Explanation:

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27. 

The value of diagram factor depends upon

A. initial conditions of steam
B. back pressure
C. initial pressure of steam
D. all of these

Answer: Option D

Explanation:

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28. 

The function of an eccentric rod is

A. to provide reciprocating motion to the slide valve
B. to convert reciprocating motion of the piston into rotary motion of the crank
C. to convert rotary motion of the crankshaft into to and fro motion of the valve rod
D. to provide simple harmonic motion to the D-slide valve

Answer: Option C

Explanation:

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29. 

A receiver type compound engine, requires a lighter flywheel.

A. Yes
B. No

Answer: Option A

Explanation:

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30. 

The function of a valve rod is

A. to provide reciprocating motion to the slide valve
B. to convert reciprocating motion of the piston into rotary motion of the crank
C. to convert rotary motion of the crankshaft into to and fro motion of the valve rod
D. to provide simple harmonic motion to the D-slide valve

Answer: Option D

Explanation:

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