Materials and Construction Gunmetal and bronze are not corroded by the action of Hydrochloric acid (10%) Wet chlorine Nitric acid (< 25%) Synthetic detergent solution Hydrochloric acid (10%) Wet chlorine Nitric acid (< 25%) Synthetic detergent solution ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Is desirable Makes it brittle Increases its hardness Increases its strength Is desirable Makes it brittle Increases its hardness Increases its strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A magnetic material becomes __________ above the Curie temperature. None of these Ferromagnetic Diamagnetic Paramagnetic None of these Ferromagnetic Diamagnetic Paramagnetic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Caustic soda can be stored in __________ drums. Brass Gun metal Cast iron Steel Brass Gun metal Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Gas holder of a gobar (cowdung) gas plant is made of Mild steel Molybdenum stainless steel Tin Aluminium Mild steel Molybdenum stainless steel Tin Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tempering of steel is done to make it Hard Rollable Brittle Soft Hard Rollable Brittle Soft ANSWER DOWNLOAD EXAMIANS APP