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Engineering
Mechanical
ME Set-1
Steam Boilers and Engines
Steam Boilers and Engines MCQ with Answers
56)
For maximum discharge through a chimney, the temperature of flue gases inside the chimney should the slightly more than the atmospheric temperature.
Correct
Incorrect
Answer
Answer is:
Correct
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
Answer is:
Right
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
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
Answer is:
Wrong
60)
Steam engines are called external combustion engines.
Yes
No
Unknown
None
Answer
Answer is:
Yes
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