Materials and Construction Which of the following is produced by condensation polymerisation? Bakelite Polythene Poly vinyl chloride Polystyrene Bakelite Polythene Poly vinyl chloride Polystyrene 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 Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor fatigue resistance Having poor toughness Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor fatigue resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal used for bearings is a____base alloy. Aluminium Tin Copper Lead Aluminium Tin Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Percentage elongation of a material is a measure of its Ductility Brittleness Toughness Malleability Ductility Brittleness Toughness Malleability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The chlorinator used in the manufacture of DDT is made of Teflon Bakelite Glass Glass lined steel Teflon Bakelite Glass Glass lined steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Age hardening' of duralumin is due to Magnesium Both A & B Neither A nor B Copper Magnesium Both A & B Neither A nor B Copper ANSWER DOWNLOAD EXAMIANS APP