In a steam engine, the piston rod is usually connected to the cross-h

1.	In a steam engine, the piston rod is usually connected to the cross-head 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 cross-head by means of a

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