Mechanical Engineering :: Steam Boilers and Engines
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La-mont boiler, is a high pressure water tube steam boiler working on forced circulation.
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The function of a connecting rod is not to convert reciprocating motion of the piston into rotary motion.
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Which of the following statement is correct for a compound steam engine ?
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When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a
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A.
The cost of the engine, for the same power and economy, is more than that of a simple steam engine. |
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B.
The forces in the working parts are increased as the forces are distributed over more parts. |
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C.
The ratio of expansion is reduced, thus reducing the length of stroke. |
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D.
The temperature range per cylinder is increased, with corresponding increase in condensation. |