Materials and Construction Which one occupies the lowermost position in the electromotive series of metals? Alkali metals (K, Na, Li) Noble metals (Ag, Pt, Au) Aluminium Zinc Alkali metals (K, Na, Li) Noble metals (Ag, Pt, Au) Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? None of these Silicon steel Chromium steel Molybdenum steel None of these Silicon steel Chromium steel Molybdenum steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Urea autoclave is made of Cast iron Refractory blocks Stainless steel Lead lined steel Cast iron Refractory blocks Stainless steel Lead lined steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead Is the hardest metal in common use Is the lightest metal in common use Can not be scratched by finger nails Can not be work hardened Is the hardest metal in common use Is the lightest metal in common use Can not be scratched by finger nails Can not be work hardened ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Makes it brittle Increases its strength Increases its hardness Is desirable Makes it brittle Increases its strength Increases its hardness Is desirable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High carbon steel contains more than __________ percent carbon. 2.5 2.2 2.8 0.5 2.5 2.2 2.8 0.5 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS