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Theory of machines - Engineering

Q1:

Which of the following statement is correct?

A The primary unbalanced force is less than the secondary unbalanced force.

B The primary unbalanced force is maximum twice in one revolution of the crank.

C The unbalanced force due to reciprocating masses varies in magnitude and direction both.

D The magnitude of swaying couple in locomotives is inversely proportional to the distance between the two cylinder centre lines

ANS:B - The primary unbalanced force is maximum twice in one revolution of the crank.

Explanation: No answer description is available.