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 Proof None of these Yield point Ultimate Proof None of these Yield point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The largest consumption of zinc for alloys is in the making of Brasses Brazing solder Die casting alloys Bearing metal Brasses Brazing solder Die casting alloys Bearing metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its Low temperature strength properties High strength to weight ratio Its ability to be cast, rolled, forged & stamped High strength and corrosion & oxidation-resistance at elevated temperature Low temperature strength properties High strength to weight ratio Its ability to be cast, rolled, forged & stamped High strength and corrosion & oxidation-resistance at elevated temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by condensation polymerisation? Polythene Poly vinyl chloride Polystyrene Bakelite Polythene Poly vinyl chloride Polystyrene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%)? Armature of small motors/generators High frequency transformers Generators and small motors Induction motors Armature of small motors/generators High frequency transformers Generators and small motors Induction motors ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A chemical change takes place when iron Melts Rusts Is heated None of these Melts Rusts Is heated None of these ANSWER DOWNLOAD EXAMIANS APP
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