Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is __________ the atmospheric pressure.
A:
equal to
B:
lower than
C:
higher than
D:
Answer: C
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The water tubes in a Babcock and Wilcox boiler are
A:
vertical
B:
horizontal
C:
inclined
D:
Answer: C
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The function of an eccentric is to provide __________ motion to the slide valve.
A:
reciprocating
B:
rotary
C:
D:
Answer: A
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The draught is the __________ of pressures above and below the fire grate.
A:
sum
B:
difference
C:
D:
Answer: B
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The artificial draught is produced by
A:
steam jet
B:
centrifugal fan
C:
chimney
D:
both (a) and (b)
Answer: D
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