Materials and Construction Gunmetal and bronze are not corroded by the action of Nitric acid (< 25%) Wet chlorine Synthetic detergent solution Hydrochloric acid (10%) Nitric acid (< 25%) Wet chlorine Synthetic detergent solution Hydrochloric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Vycor, a widely used material for making 'thermal wells' in temperature measurement, is a Metallic alloy Glass Cermet Thermosetting plastic Metallic alloy Glass Cermet Thermosetting plastic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Age hardening' of duralumin is due to Both A & B Copper Magnesium Neither A nor B Both A & B Copper Magnesium Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by condensation polymerisation? Poly vinyl chloride Bakelite Polythene Polystyrene Poly vinyl chloride Bakelite Polythene Polystyrene 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 Tempering of steel is done to make it Rollable Soft Brittle Hard Rollable Soft Brittle Hard ANSWER DOWNLOAD EXAMIANS APP
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