Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

Lancashire boiler has __________ internal flue tubes.
A:
one
B:
two
C:
three
D:
four
Answer: B
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Benson boiler is a __________ water tube steam boiler using forced circulation of water.
A:
low pressure
B:
high pressure
C:
D:
Answer: B
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The relative efficiency is defined as the
A:
ratio of thermal efficiency to Rankine efficiency
B:
ratio of brake power to the indicated power
C:
ratio of heat equivalent to indicated power to the energy supplied in steam
D:
product of thermal efficiency and Rankine efficiency
Answer: A
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The chimney draught varies with
A:
climatic conditions
B:
temperature of furnace gases
C:
height of chimney
D:
all of these
Answer: D
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The draught produced by a steam jet issuing from a nozzle placed in the chimney is called
A:
induced steam jet draught
B:
chimney draught
C:
forced steam jet draught
D:
none of these
Answer: A
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