Engineering Materials The silicon steel is widely used for Motor car crankshafts Generators and transformers in the form of laminated cores Connecting rods Cutting tools Motor car crankshafts Generators and transformers in the form of laminated cores Connecting rods Cutting tools ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Points of arrest for iron correspond to Stages at which properties do not change with increase in temperature Stages at which allotropic forms change Stages at which further heating does not increase temperature for some time There is nothing like points of arrest Stages at which properties do not change with increase in temperature Stages at which allotropic forms change Stages at which further heating does not increase temperature for some time There is nothing like points of arrest ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Nitriding Any one of these Flame hardening Case hardening Nitriding Any one of these Flame hardening Case hardening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Slow plastic deformation of metals under a constant stress is known as Plastic deformation Fatigue Endurance Creep Plastic deformation Fatigue Endurance Creep ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In a hardening process, the hypo-eutectoid steel is Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 5 to 7% 0.012 2.5 to 4.5% 0.5 to 1% 5 to 7% 0.012 2.5 to 4.5% ANSWER DOWNLOAD EXAMIANS APP