engineering recuitment AAI JE Technical Mock Test 2020-21 Production Engineering (Manufacturing) Machining Processes and Machine Tools Machine Tools
In a shaping operation the average cutting speed (Stroke length S, Number of stroke per minute N, Quick return ratio R)
1
NSR
2
\(\frac{{NSR}}{2}\)
3
NS (1 + 1/R)
4
\(\frac{{NS\left( {1 + R} \right)}}{2}\)