Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Nickel Magnesium Chromium Copper Nickel Magnesium Chromium Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. Less than More than None of these Equal to Less than More than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following alloys does not have copper as one of the constituents? Delta metal Constantan Monel metal Nichrome Delta metal Constantan Monel metal Nichrome ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Silicon Nickel Copper Chromium Silicon Nickel Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The portion of the blast furnace below its widest cross-section is called Bosh Hearth Stack Throat Bosh Hearth Stack Throat ANSWER DOWNLOAD EXAMIANS APP