Materials and Construction The addition of antimony in tin-based alloys improves its Wear resistance Impact strength and bonding strength Rupture strength and hot hardness Deformation resistance Wear resistance Impact strength and bonding strength Rupture strength and hot hardness Deformation resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zinc is not used As anode for corrosion prevention in boiler For producing zinc base die casting alloys In its oxide form as pigments As an alloying element in various bronzes As anode for corrosion prevention in boiler For producing zinc base die casting alloys In its oxide form as pigments As an alloying element in various bronzes ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead alone is not used in storing equipment, because it Is having low creep strength Corrodes easily Is very costly None of these Is having low creep strength Corrodes easily Is very costly None of these ANSWER DOWNLOAD EXAMIANS APP
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 Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its High corrosion resistance Low thermal conductivity All of these High co-efficient of thermal expansion High corrosion resistance Low thermal conductivity All of these High co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is a donor impurity for semi-conductors. Boron Antimony Gallium None of these Boron Antimony Gallium None of these ANSWER DOWNLOAD EXAMIANS APP
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