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Engineering
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ME Set-1
Steam Boilers and Engines
117

Steam Boilers and Engines MCQ with Answers

117) The actual vacuum in a condenser is equal to

barometric pressure + actual pressure

barometric pressure - actual pressure

gauge pressure + atmospheric pressure

gauge pressure - atmospheric pressure

Answer is:

gauge pressure - atmospheric pressure

Steam Boilers and Engines MCQ with Answers

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Related Steam Boilers and Engines MCQ with Answers

118) The function of a superheater is to heat the feed water by utilising the heat in the exhaust flue gases before leaving through the chimney.

Yes

No

Unknown

None

Answer is:

No

119) Willian's line follows the law (where b = A constant representing the shape of the Willian's line, a = Another constant i.e. no load consumption per hour, I.P. = Indicated power, and m = Steam consumption per hour)

I.P. = a x m + b

m = a + b x I.P.

I.P. = b x m + a

m = b/I.P. - a

Answer is:

m = a + b x I.P.

120) The selection of type and size of a steam boiler depends upon

the power required and working pressure

the power required and working pressure

the fuel and water available

all of the above

Answer is:

all of the above

121) The maximum steam pressure in a Locomotive boiler is limited to

0.18 MN/m²

1.8 MN/m²

18 MN/m²

180 MN/m²

Answer is:

1.8 MN/m²

Steam Boilers and Engines MCQ with Answers

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