railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Machining Processes and Machine Tools Different Machining Processes
The specification of a grinding wheel is given by:
A - 46 - B - 4 - V – 17
Which of the following is TRUE for wheel specification?
1
It is having a grain size of 4
2
It is having a grade of 'V'.
3
It is having a grain size of 17
4
It is having a grade of 'B'.