Engineering Materials Which is false statement about properties of aluminium? Creep strength limits its use to fairly low temperatures Fatigue strength is not high Modulus of elasticity is fairly low Wear resistance is very good Creep strength limits its use to fairly low temperatures Fatigue strength is not high Modulus of elasticity is fairly low Wear resistance is very good ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Nickel Silicon Copper Chromium Nickel Silicon Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Austenite Cementite Ferrite Pearlite Austenite Cementite Ferrite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains Alloying elements like chromium, tungsten nickel and copper Elements like phosphorus, sulphur and silicon in varying quantities 80% or more iron 50% or more iron Alloying elements like chromium, tungsten nickel and copper Elements like phosphorus, sulphur and silicon in varying quantities 80% or more iron 50% or more iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. None of these Increases Remain same Decreases None of these Increases Remain same Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The metal suitable for bearings subjected to heavy loads, is Silicon bronze Monel metal Phosphor bronze White metal Silicon bronze Monel metal Phosphor bronze White metal ANSWER DOWNLOAD EXAMIANS APP