railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Machining Processes and Machine Tools Different Machining Processes
Two grinding wheels of the same specifications behave differently when they are of different diameters because:
1
As diameter increases, wheel appears to be softer since average force per grit increases
2
As diameter decreases, wheel appears to be softer since average force per grit increases
3
As diameter increases, material removal rate increases
4
As diameter decreases, concentration of active grains decreases