Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called
A:
blow off cock
B:
stop valve
C:
superheater
D:
none of these
Answer: D
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The function of a valve rod is
A:
to provide reciprocating motion to the slide valve
B:
to convert reciprocating motion of the piston into rotary motion of the crank
C:
to convert rotary motion of the crankshaft into to and fro motion of the valve rod
D:
to provide simple harmonic motion to the D-slide valve
Answer: D
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A receiver type compound engine, requires a lighter flywheel.
A:
Yes
B:
No
C:
D:
Answer: A
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The function of an eccentric rod is
A:
to provide reciprocating motion to the slide valve
B:
to convert reciprocating motion of the piston into rotary motion of the crank
C:
to convert rotary motion of the crankshaft into to and fro motion of the valve rod
D:
to provide simple harmonic motion to the D-slide valve
Answer: C
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The value of diagram factor depends upon
A:
initial conditions of steam
B:
back pressure
C:
initial pressure of steam
D:
all of these
Answer: D
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