In a steam engine, the piston rod is usually connected to the crosshea

1.	In a steam engine, the piston rod is usually connected to the crosshead by means of a
A.	knuckle joint
B.	cotter joint
C.	oldham coupling
D.	universal joint
Answer» C. oldham coupling

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In a steam engine, the piston rod is usually connected to the crosshead by means of a

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