Engineering Materials Which of the following material has nearly zero coefficient of expansion? Invar High speed steel Heat resisting steel Stainless steel Invar High speed steel Heat resisting steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bell metal contains 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dye penetrant method is generally used to locate Superficial defects Core defects Temporary defects Surface defects Superficial defects Core defects Temporary defects Surface defects ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pig iron is the name given to Iron in molten form in the ladles Iron containing huge quantities of carbon Product of blast furnace made by reduction of iron ore Raw material for blast furnace Iron in molten form in the ladles Iron containing huge quantities of carbon Product of blast furnace made by reduction of iron ore Raw material for blast furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Acidic solution is one which has pH value pH value has nothing to do with neutral solution Less than 7 Greater than 7 Equal to 7 pH value has nothing to do with neutral solution Less than 7 Greater than 7 Equal to 7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten 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
EXAMIANS