Q.

All of the following statements are false except

A. The pitch of a sinle threaded screw is equal to the lead
B. In a flange coupling, the bolts are subjected to compressive stress
C. Oldham coupling is used for connecting piston rod of a steam engine to the cross head
D. The resilience of a bolt may be increased by decreasing its shank diameter
E. Increasing the diameter of threaded portion
Answer» A. The pitch of a sinle threaded screw is equal to the lead
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