Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

The mechanical draught __________ with the amount of smoke.
A:
increases
B:
decreases
C:
does not effect
D:
Answer: B
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The water tube boilers produce steam at a __________ pressure than that of fire tube boilers.
A:
lower
B:
higher
C:
D:
Answer: B
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The mechanical draught produces more draught than natural draught.
A:
True
B:
False
C:
D:
Answer: A
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The function of a D-slide valve is to exhaust steam from the cylinder at proper moment.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
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The ratio of the volume at cut-off to the swept volume is called
A:
cut-off ratio
B:
expansion ratio
C:
clearance ratio
D:
none of these
Answer: A
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