engineering recuitment ONGC AEE Mechanical Mock Test 2025 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
\({{NS\left( {1 + \frac{1} {R}} \right)}}\)
4
\(\frac{{NS\left( {1 + R} \right)}}{2}\)
5
\(\frac{{NS}}{2\times \left( {1 + R} \right)}\)