Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

Cornish boilers are multi-tubular boilers.
A:
True
B:
False
C:
D:
Answer: B
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In a double acting steam engine, the steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft.
A:
Yes
B:
No
C:
D:
Answer: B
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Throttle governing of steam engines is a method of controlling the engine output by varying
A:
volume of intake steam
B:
pressure of intake steam
C:
temperature of intake steam
D:
all of these
Answer: B
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For the same diameter and thickness of tube, a water tube boiler has __________ heating surface as compared to fire tube boiler.
A:
more
B:
less
C:
equal
D:
Answer: A
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Cut-off governing as compared to throttle governing is
A:
less efficient and less economical
B:
less efficient and more economical
C:
more efficient and less economical
D:
more efficient and more economical
Answer: D
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