railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Fitter Machining Drilling and Reaming
Which work holding devices support the round job while drilling the job on a drilling machine?
1
‘V’ block and clamp, bolts, packing piece
2
the machine vice and bolts, packing piece
3
the hand vice with clamp, bolts
4
the pin vice with clamp, bolts