Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

The ratio of the __________ to the volume at cut-off is called expansion ratio.
A:
swept volume
B:
clearance volume
C:
D:
Answer: A
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The equivalent evaporation is defined as
A:
the ratio of heat actually used in producing the steam to the heat liberated in the furnace
B:
the amount of water evaporated or steam produced in kg per kg of fuel burnt
C:
the amount of water evaporated from and at 100° C into dry and saturated steam
D:
the evaporation of 15.653 kg of water per hour from and at 100° C
Answer: C
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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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When steam after doing work in the cylinder passes into a condenser, the engine is said to be a
A:
slow speed engine
B:
vertical steam engine
C:
condensing steam engine
D:
non-condensing steam engine
Answer: C
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Locomotive boiler is a __________ boiler.
A:
fire tube
B:
water tube
C:
D:
Answer: A
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