engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Production Engineering (Manufacturing) Metal Forming Rolling
Determine the maximum possible reduction for cold rolling a 400 mm thick slab when coefficient of friction µ = 0.07 and the roll diameter is 500 mm.
1
1.225mm
2
1.66 mm
3
1.44 mm
4
1.55 mm