Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

Which of the following boiler works on a forced circulation of water?
A:
La-mont boiler
B:
Benson boiler
C:
Loeffler boiler
D:
all of these
Answer: D
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The cylindrical shell of a Lancashire boiler has diameter from
A:
1 to 2 m
B:
1.25 to 2.25 m
C:
1.5 to 2.5 m
D:
1.75 to 2.75 m
Answer: D
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In a single acting steam engine
A:
the steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft
B:
the steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft
C:
the steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft
D:
the steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft.
Answer: A
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The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having cranks
A:
180° to each other
B:
90° to each other
C:
0° to each other
D:
none of these
Answer: A
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When the expansion of steam is carried out in a single cylinder and then exhausted into the atmosphere or a condenser, the engine is said to be a simple steam engine.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
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