Materials and Construction Purity of electrical grade aluminium should be ≥ __________ percent. 85 99.5 90 95 85 99.5 90 95 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Copper has very low Tensile strength Ductility Malleability Thermal & electrical conductivity Tensile strength Ductility Malleability Thermal & electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin coating on metals is not done by Hot dipping Powder metallurgy Electro-deposition Spraying Hot dipping Powder metallurgy Electro-deposition Spraying ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one contains the least percentage of carbon? High speed steel Cast iron Wrought iron Pig iron High speed steel Cast iron Wrought iron Pig iron 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 fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese. 44021 44179 1.5-2 3.5-4.5 44021 44179 1.5-2 3.5-4.5 ANSWER DOWNLOAD EXAMIANS APP
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