Engineering Materials The addition of which of the following improves machining of copper? Sulphur Vanadium Zinc Tin Sulphur Vanadium Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Sulphur Manganese Silicon Phosphorus Sulphur Manganese Silicon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An eutectoid steel consists of Wholly pearlite Pearlite and ferrite Pearlite and cementite Wholly austenite Wholly pearlite Pearlite and ferrite Pearlite and cementite Wholly austenite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Purification of metal Working at lower temperature All of these Grain refinement Purification of metal Working at lower temperature All of these Grain refinement ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The charge of the blast furnace consists of Calcined ore (1 part), coke (8 parts) and limestone (4 parts) Calcined ore (4 parts), coke (1 part) and limestone (8 parts) Calcined ore, coke and limestone all in equal parts Calcined ore (8 parts), coke (4 parts) and limestone (1 part) Calcined ore (1 part), coke (8 parts) and limestone (4 parts) Calcined ore (4 parts), coke (1 part) and limestone (8 parts) Calcined ore, coke and limestone all in equal parts Calcined ore (8 parts), coke (4 parts) and limestone (1 part) ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dow metal contains 90% aluminium and 90% copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% magnesium and 9% aluminium with some copper 90% aluminium and 90% copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% magnesium and 9% aluminium with some copper ANSWER DOWNLOAD EXAMIANS APP
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