Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a
A:
slow speed engine
B:
medium speed steam engine
C:
high speed steam engine
D:
none of these
Answer: B
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Which of the following statement is correct for a compound steam engine ?
A:
The cost of the engine, for the same power and economy, is more than that of a simple steam engine.
B:
The forces in the working parts are increased as the forces are distributed over more parts.
C:
The ratio of expansion is reduced, thus reducing the length of stroke.
D:
The temperature range per cylinder is increased, with corresponding increase in condensation.
Answer: C
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The function of a connecting rod is not to convert reciprocating motion of the piston into rotary motion.
A:
True
B:
False
C:
D:
Answer: B
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La-mont boiler, is a high pressure water tube steam boiler working on forced circulation.
A:
Agree
B:
Disagree
C:
D:
Answer: A
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Loeffler boiler is a water tube boiler using a forced circulation of water.
A:
True
B:
False
C:
D:
Answer: A
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