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Engineering
Mechanical
ME Set-1
Steam Boilers and Engines
57

Steam Boilers and Engines MCQ with Answers

57) The internal flue tubes of a Lancashire boiler are reduced in diameter at the back to provide access to the lower part of the boiler.

Right

Wrong

Answer is:

Right

Steam Boilers and Engines MCQ with Answers

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Related Steam Boilers and Engines MCQ with Answers

58) A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is knwon as

superheater

air preheater

economiser

injector

Answer is:

air preheater

59) In a fire tube boiler, the water is contained inside the tubes which are surrounded by flames and hot gases from outside.

Right

Wrong

Answer is:

Wrong

60) Steam engines are called external combustion engines.

Yes

No

Unknown

None

Answer is:

Yes

61) The diagram factor is the ratio of the

area of the actual indicator diagram to the area of theoretical indicator diagram

actual workdone per stroke to the theoretical workdone per stroke

actual mean effective pressure to the theoretical mean effective pressure

any one of the above

Answer is:

any one of the above

Steam Boilers and Engines MCQ with Answers

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