Production Engineering - Engineering

Q1:

The stroke of a shaping machine is 250 mm. It makes 30 double strokes per minute. The overall average speed of operation is

A 3.75 m/min

B 5 m/min

C 7.5 m/min

D 15 m/min

ANS:C - 7.5 m/min

Explanation: No answer description is available.