Which of the following pairs of elements may form an alloy? Iron & carbon Platinum & mercury None of these Iron & mercury TRUE ANSWER : ? YOUR ANSWER : ?
Materials having __________ lattice structure are usually most ductile. H.c.p. Cubic c.c. F.c.c. TRUE ANSWER : ? YOUR ANSWER : ?
Shock resisting steels should possess high Hardness Toughness Tensile strength Wear resistance TRUE ANSWER : ? YOUR ANSWER : ?
The increase in hardness of metal due to its cold working is termed as the __________ hardening. Flame Induction Age Work TRUE ANSWER : ? YOUR ANSWER : ?
The electrical conductivity of a __________ decreases with rise in temperature. Semi-conductor Metal/alloy Dielectric None of these TRUE ANSWER : ? YOUR ANSWER : ?
Maximum consumption of zinc is in Alloying Utensil manufacture Electrical industry Galvanising TRUE ANSWER : ? YOUR ANSWER : ?
Hydrocyanic acid is not shipped in Aluminium containers Cast iron vessels Monel drums Steel cylinders TRUE ANSWER : ? YOUR ANSWER : ?
Evaporator used for concentrating tomato juice is made of Nickel Brass Stainless steel-glass lined Cast iron-rubber lined TRUE ANSWER : ? YOUR ANSWER : ?
The main purpose of galvanising iron sheets is to Increase its glossiness and lustre Harden the surface Prevent the action of water Prevent the action of oxygen TRUE ANSWER : ? YOUR ANSWER : ?
Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its Low temperature strength properties High strength and corrosion & oxidation-resistance at elevated temperature High strength to weight ratio Its ability to be cast, rolled, forged & stamped TRUE ANSWER : ? YOUR ANSWER : ?