Materials and Construction __________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working. Twinning Strain ageing Solid solution hardening Screw dislocation Twinning Strain ageing Solid solution hardening Screw dislocation ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following commercial metals is most abundantly found in India? Nickel Copper Zinc Aluminium Nickel Copper Zinc Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel by its softening, it is subjected to Shot blasting Cold working Heating Annealing Shot blasting Cold working Heating Annealing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Refined acetic acid storage vessel are made of Copper Aluminium High carbon steel Nickel Copper Aluminium High carbon steel Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which is an amorphous material? Mica Brass Cast iron Glass Mica Brass Cast iron Glass ANSWER DOWNLOAD EXAMIANS APP
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