Materials and Construction Copper has very low Malleability Tensile strength Thermal & electrical conductivity Ductility Malleability Tensile strength Thermal & electrical conductivity Ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following mechanical properties of a material is most structure insensitive? Percentage reduction of area Tensile strength Modulus of elasticity (young Toughness Percentage reduction of area Tensile strength Modulus of elasticity (young Toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which metal is protected by the layer of its own oxide? Aluminium Calcium Iron Silver Aluminium Calcium Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Clock pendulums are usually made of __________ steel. High speed None of these Heat resisting Stainless High speed None of these Heat resisting Stainless 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. Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor fatigue resistance Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor fatigue resistance Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Bearings subjected to light load are made of Silicon bronze Monel White metal Phosphorous bronze Silicon bronze Monel White metal Phosphorous bronze ANSWER DOWNLOAD EXAMIANS APP