Engineering Materials Bell metal contains 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 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 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 Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Super conduction by metals is observed in the temperature range of Below 10°K Around 100°C Around 0°C Above 100°K Below 10°K Around 100°C Around 0°C Above 100°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as Ability to recover its original form Ability to undergo large permanent deformations in tension All of these Ability to undergo large permanent deformations in compression Ability to recover its original form Ability to undergo large permanent deformations in tension All of these Ability to undergo large permanent deformations in compression ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron ore is usually found in the form of Sulphides Oxides All of these Carbonates Sulphides Oxides All of these Carbonates ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A cold chisel is made of High carbon H.S.S. Cast iron Mild steel High carbon H.S.S. Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
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