Materials and Construction 'Age hardening' of duralumin is due to Copper Magnesium Both A & B Neither A nor B Copper Magnesium Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tempering of steel is done to make it Brittle Soft Rollable Hard Brittle Soft Rollable Hard ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 500 900 1100 750 500 900 1100 750 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Perspex is nothing but An elastomer Aluminium foil clad with bakelite Acrylic sheet An alloy of lead and tin An elastomer Aluminium foil clad with bakelite Acrylic sheet An alloy of lead and tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by condensation polymerisation? Bakelite Polythene Poly vinyl chloride Polystyrene Bakelite Polythene Poly vinyl chloride Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardest material so far found is Diamond Graphite Pumice stone Carborundum Diamond Graphite Pumice stone Carborundum ANSWER DOWNLOAD EXAMIANS APP
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