railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Machining Processes and Machine Tools Different Machining Processes
A hole is drilled in an aluminium alloy block with a 15 mm drill at a feed of 0.1 mm/rev. the spindle rotational speed is 500 RPM. The MRR in mm3/min will be:
1
9800
2
7500
3
8840
4
7000