Engineering Materials Wrought iron Cannot stand sudden and excessive shocks All of these Is a ductile material Can be easily forged or welded Cannot stand sudden and excessive shocks All of these Is a ductile material Can be easily forged or welded 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 Shock resistance of steel is increased by adding Nickel Nickel and chromium Sulphur, lead and phosphorus Chromium Nickel Nickel and chromium Sulphur, lead and phosphorus Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 800°C to 1000°C 400° to 700°C 1200°C to 1300°C 1500°C to 1700°C 800°C to 1000°C 400° to 700°C 1200°C to 1300°C 1500°C to 1700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 2.1180555555556 30 : 70 2.9375 40 : 60 2.1180555555556 30 : 70 2.9375 40 : 60 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Machinability Strength and ductility Hardness Hardness and strength Machinability Strength and ductility Hardness Hardness and strength ANSWER DOWNLOAD EXAMIANS APP
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