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Engineering
Mechanical
ME Set-1
Steam Boilers and Engines
59

Steam Boilers and Engines MCQ with Answers

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

Steam Boilers and Engines MCQ with Answers

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Related Steam Boilers and Engines MCQ with Answers

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

62) By compounding the expansion of steam in two or more cylinders, the length of stroke

does not change

increases

decreases

none of these

Answer is:

decreases

63) The velocity of flue gases (V) through the chimney under a static draught of(H') metres is given by

V = 2g H'

V = 2g/H'

V = H'/2g

V = 2gH'

Answer is:

V = 2g H'

Steam Boilers and Engines MCQ with Answers

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