Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

The evaporative capacity of a boiler is defined as the evaporation of 15.653 kg of water per hour from and at 100° C.
A:
Yes
B:
No
C:
D:
Answer: B
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The performance of a boiler is measured by the
A:
amount of water evaporated per hour
B:
steam produced in kg/h
C:
steam produced in kg/kg of fuel burnt
D:
all of these
Answer: D
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The heat balance sheet for the boiler shows the
A:
complete account of heat supplied by 1 kg of dry fuel and the heat consumed
B:
moisture present in the fuel
C:
steam formed by combustion of hygrogen per kg of fuel
D:
all of the above
Answer: A
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A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called
A:
receiver type compound engine
B:
Tandem type compound engine
C:
Woolf type compound engine
D:
both (a) and (b)
Answer: C
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A compound steam engine requires a heavier flywheel than simple steam engines.
A:
True
B:
False
C:
D:
Answer: B
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