Materials and Construction Reactor used in the production of polyvinyl chloride (PVC) is made of Nickel or glass lined steel Tantalum Lead Aluminium Nickel or glass lined steel Tantalum Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Makes it malleable Does not affect its melting point Decreases its melting point Increases its melting point Makes it malleable Does not affect its melting point Decreases its melting point Increases its melting point 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 Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor fatigue resistance Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Not helpful in producing cleaner steel due to oxidising action of vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals)? Constantan Chromel Invar Alumel Constantan Chromel Invar Alumel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 18/8 steel is a/an __________ stainless steel. None of these Martensitic Austenitic Ferritic None of these Martensitic Austenitic Ferritic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molten phthalic anhydride is stored in a/an __________ vessel. Nickel clad steel Aluminium Lead lined steel Glass lined steel Nickel clad steel Aluminium Lead lined steel Glass lined steel ANSWER DOWNLOAD EXAMIANS APP
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