Engineering Materials Which of the following material has nearly zero coefficient of expansion? High speed steel Invar Heat resisting steel Stainless steel High speed steel Invar Heat resisting steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Phosphor bronze contains None of these 0.5% of phosphorous 2.5% phosphorous 1% phosphorous None of these 0.5% of phosphorous 2.5% phosphorous 1% phosphorous ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Lead is poured into the joint between two pipes. These pipes may be made of Asbestos cement Cast iron Vitrified clay Concrete Asbestos cement Cast iron Vitrified clay Concrete ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel with __________ carbon is known as hypo-eutectoid steel. 0.008 Above 0.8% Below 0.8% None of these 0.008 Above 0.8% Below 0.8% None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Atoms distributed in random pattern Any one of the above Different crystal structures at different temperatures Fixed structure at all temperatures Atoms distributed in random pattern Any one of the above Different crystal structures at different temperatures Fixed structure at all temperatures ANSWER DOWNLOAD EXAMIANS APP
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