Materials and Construction Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the __________ stress. Ultimate None of these Yield point Proof Ultimate None of these Yield point Proof ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Lower critical Upper critical Recrystallisation Eutectic Lower critical Upper critical Recrystallisation Eutectic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duralumin is an alloy of Aluminium and nickel Aluminium, nickel and silicon None of these Aluminium, copper and manganese Aluminium and nickel Aluminium, nickel and silicon None of these Aluminium, copper and manganese ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the highest density and the lowest melting point? Stainless steel Aluminium Lead Titanium Stainless steel Aluminium Lead Titanium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal (used for making bearings) comprises of Zinc and aluminium Mainly tin (85%) and lead Saw dust and iron dust mixture Copper and aluminium Zinc and aluminium Mainly tin (85%) and lead Saw dust and iron dust mixture Copper and aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Are used for leaf and coiled springs Do not require heat treatment for any of its applications Is tempered at 850°C Do not have good resilience properties Are used for leaf and coiled springs Do not require heat treatment for any of its applications Is tempered at 850°C Do not have good resilience properties ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS