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Mechanical Engineering - Theory of machines - Discussion

Discussion Forum : Theory of machines - Section 1 (Q.No. 47)
Theory of machines
47.
In order to give the primary balance of the reciprocating parts of a multi-cylinder in-line engines,
the algebraic sum of the primary forces must be equal to zero
the algebraic sum of the couples about any point in the plane of the primary forces must be equal to zero
both (a) and (b)
none of these
Answer: Option
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