Materials and Construction With increase in carbide/graphite ratio in cast iron, its Neither A nor B Hardness & brittleness increases Ductility decreases Both A & B Neither A nor B Hardness & brittleness increases Ductility decreases Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following finds the least commercial use? High silicon iron High carbon steel Pure iron Low carbon steel High silicon iron High carbon steel Pure iron Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Bush bearings are made of None of these Phosphorous bronze White metal alloys Mild steel None of these Phosphorous bronze White metal alloys Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one occupies the lowermost position in the electromotive series of metals? Alkali metals (K, Na, Li) Zinc Noble metals (Ag, Pt, Au) Aluminium Alkali metals (K, Na, Li) Zinc Noble metals (Ag, Pt, Au) Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds. 250 100 500 5 250 100 500 5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When iron is rusted, it is Reduced Converted to a fine powder Oxidised None of these Reduced Converted to a fine powder Oxidised None of these ANSWER DOWNLOAD EXAMIANS APP
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