Materials and Construction Platinum and silver are corroded by Phosphoric acid None of these Sulphuric acid (10%) Caustic soda solution Phosphoric acid None of these Sulphuric acid (10%) Caustic soda solution ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one occupies the lowermost position in the electromotive series of metals? Noble metals (Ag, Pt, Au) Zinc Aluminium Alkali metals (K, Na, Li) Noble metals (Ag, Pt, Au) Zinc Aluminium Alkali metals (K, Na, Li) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A measure of toughness of a material is its Percentage elongation Ultimate strength Yield strength Area under stress-strain diagram Percentage elongation Ultimate strength Yield strength Area under stress-strain diagram ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A magnetic material becomes __________ above the Curie temperature. Ferromagnetic Paramagnetic None of these Diamagnetic Ferromagnetic Paramagnetic None of these Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High carbon steel contains more than __________ percent carbon. 2.8 2.5 2.2 0.5 2.8 2.5 2.2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brine (15% concentration) can be stored in a vessel made of Karbate Cast iron Monel None of these Karbate Cast iron Monel None of these ANSWER DOWNLOAD EXAMIANS APP