Materials and Construction 'Age hardening' of duralumin is due to Magnesium Both A & B Copper Neither A nor B Magnesium Both A & B Copper Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Telfon (PTFE) is corroded by Hydrochloric acid (10%) Sulphuric acid Hydrochloric acid (95%) None of these Hydrochloric acid (10%) Sulphuric acid Hydrochloric acid (95%) None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by condensation polymerisation? Poly vinyl chloride Polystyrene Polythene Bakelite Poly vinyl chloride Polystyrene Polythene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its Its ability to be cast, rolled, forged & stamped High strength to weight ratio High strength and corrosion & oxidation-resistance at elevated temperature Low temperature strength properties Its ability to be cast, rolled, forged & stamped High strength to weight ratio High strength and corrosion & oxidation-resistance at elevated temperature Low temperature strength properties ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum permissible sulphur content in steel is __________ percent. 0.805 0.505 0.055 0.015 0.805 0.505 0.055 0.015 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon is present in the combined form (carbide) in case of Ferroalloys All of these Steel Pig iron Ferroalloys All of these Steel Pig iron ANSWER DOWNLOAD EXAMIANS APP