engineering recuitment NCRTC Junior Maintainer Mock Test Series 2025 Fitter Metrology Surface Roughness
The surface roughness expected easily from Boring Process as per IS 3073-1967 is
a) 1.6 - 6.3 μm
b) 0.025 μm - 0.4 μm
c) 6.4 μm - 100 μm
d) 25 μm - 50 μm
1
a
2
b
3
c
4
d