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mechanical engineering steam boilers and engines
1. 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.
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