Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

The draught produced by a steam jet issuing from a nozzle placed in the ashpit under the fire grate of the furnace is called
A:
induced steam jet draught
B:
chimney draught
C:
forced steam jet draught
D:
none of these
Answer: C
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A safety valve usually employed with stationary boilers is
A:
lever safety valve
B:
dead weight safety valve
C:
high steam and low water safety valve
D:
all of these
Answer: D
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Fire tube boilers are
A:
internally fired
B:
externally fired
C:
internally as well as externally fired
D:
none of these
Answer: A
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An economiser __________ the steam raising capacity of a boiler.
A:
increases
B:
decreases
C:
has no effect on
D:
Answer: A
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The diameter of flue tube in a Cornish boiler is __________ that of the shell.
A:
one-fourth
B:
one-third
C:
two-fifth
D:
three-fifth
Answer: D
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