Materials and Construction Gunmetal and bronze are not corroded by the action of Wet chlorine Hydrochloric acid (10%) Nitric acid (< 25%) Synthetic detergent solution Wet chlorine Hydrochloric acid (10%) Nitric acid (< 25%) Synthetic detergent solution ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most widely used insulating material for steam carray-ing pipelines? Ceramic fibre blanket Slag wool Glass wool and 85% magnesia Vermiculite Ceramic fibre blanket Slag wool Glass wool and 85% magnesia Vermiculite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials are Always bad heat conductors Always amorphous in nature Organic in nature Stronger in compression than in tension Always bad heat conductors Always amorphous in nature Organic in nature Stronger in compression than in tension ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 750 1100 500 900 750 1100 500 900 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A metallic alloy in general as compared to their pure metal components is Having lower electrical conductivity Having higher melting point More corrosion resistant Having lower hardness, reactivity and fusibility Having lower electrical conductivity Having higher melting point More corrosion resistant Having lower hardness, reactivity and fusibility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following metals in not used for coating of the base metal to guard it against corrosion? Lead Cadmium Aluminium Magnesium Lead Cadmium Aluminium Magnesium ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS