Engineering Materials A cold chisel is made of H.S.S. Cast iron Mild steel High carbon H.S.S. Cast iron Mild steel High carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces White cast iron Alloy cast iron Malleable cast iron Nodular cast iron White cast iron Alloy cast iron Malleable cast iron Nodular cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Silicon and sulphur Phosphorous and aluminium Sulphur, graphite and aluminium Phosphorous, lead and sulphur Silicon and sulphur Phosphorous and aluminium Sulphur, graphite and aluminium Phosphorous, lead and sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled Any one of these Slowly in the furnace In still air Suddenly in a suitable cooling medium Any one of these Slowly in the furnace In still air Suddenly in a suitable cooling medium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Surface decarburisation Cold working Nitriding of surface Shot peening Surface decarburisation Cold working Nitriding of surface Shot peening ANSWER DOWNLOAD EXAMIANS APP
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