Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

A single ended Scotch marine steam boiler may have one to four furnaces which enter from front end of the boiler.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
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A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as
A:
blow off cock
B:
fusible plug
C:
superheater
D:
stop valve
Answer: D
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The motion of a D-slide valve in a steam engine is simple harmonic.
A:
Yes
B:
No
C:
D:
Answer: A
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In cross compounding, the cylinders are arranged
A:
side by side and each cylinder has common piston, connecting rod and crank
B:
side by side and each cylinder has separate piston, connecting rod and crank
C:
at 90° and each cylinder has common piston, connecting rod and crank
D:
at 90° and each cylinder has separate piston, connecting rod and crank
Answer: B
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Expansion ratio is the ratio of
A:
swept volume to the volume at cut-off
B:
clearance volume to the swept volume
C:
volume at cut-off to the swept volume
D:
swept volume to the clearance volume
Answer: A
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