Engineering Materials Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is Duralumin Invar Hastelloy Silver metal Duralumin Invar Hastelloy Silver metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron contains carbon in the form of Cementite Graphite Free carbon White carbon Cementite Graphite Free carbon White carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. None of these Decreases Remain same Increases None of these Decreases Remain same Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding All of these High speed steel Cast iron All nonferrous materials All of these High speed steel Cast iron All nonferrous materials ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Constantan an alloy used in thermocouples is an alloy of Copper and zinc Copper and nickel Copper and tin Copper and iron Copper and zinc Copper and nickel Copper and tin Copper and iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Super conduction by metals is observed in the temperature range of Around 0°C Above 100°K Around 100°C Below 10°K Around 0°C Above 100°K Around 100°C Below 10°K ANSWER DOWNLOAD EXAMIANS APP