Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called
A:
wet steam
B:
saturated steam
C:
superheated steam
D:
cushion steam
Answer: D
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The missing quantity is mainly due to cylinder condensation and a small amount of steam leakage past the valves and piston.
A:
Agree
B:
Disagree
C:
D:
Answer: A
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Which of the following is required for a steam condensing plant ?
A:
Condenser
B:
Condensate pump
C:
Air extraction pump
D:
all of these
Answer: D
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Willian's law holds good for throttle-governed engine, but not for cut-off governed engine.
A:
True
B:
False
C:
D:
Answer: A
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A __________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.
A:
blow off cock
B:
fusible plug
C:
stop valve
D:
safety valve
Answer: B
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