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Steam Boilers and Engines

Q1: 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.

ANS:C - The ratio of expansion is reduced, thus reducing the length of stroke.

Explanation: No answer description is available. 



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