A two-cylinder in-line engine with identical cylinders has cranks at 1 – McqOptions

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1.	A two-cylinder in-line engine with identical cylinders has cranks at 180° to each other. When the engine runs, the unbalanced forces are
A.	both the primary and secondary forces
B.	only the secondary force
C.	only the primary force
D.	Both forces are balanced
Answer» C. only the primary force

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