The machinability of steel is increased by

QuestionsCategory: Mechanical EngineeringThe machinability of steel is increased by
VideRime Staff asked 5 years ago

The machinability of steel is increased by

a) Silicon and sulphur

b) Phosphorous, lead and sulphur

c) Sulphur, graphite and aluminium

d) Phosphorous and aluminium

Engineering Materials Practice Set-8