Engineering Materials The usual composition of a soldering alloy is Tin and copper Tin, lead and silver Tin, lead and small percentage of antimony Tin and lead Tin and copper Tin, lead and silver Tin, lead and small percentage of antimony Tin and lead ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve ductility Improve machinability Improve toughness Release stresses Improve ductility Improve machinability Improve toughness Release stresses ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 48 RC 65 RC 80 RC 57 RC 48 RC 65 RC 80 RC 57 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Copper Nickel Chromium Magnesium Copper Nickel Chromium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Magnesium Silicon Lead and bismuth Copper Magnesium Silicon Lead and bismuth Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Austenite Pearlite Ferrite Cementite Austenite Pearlite Ferrite Cementite ANSWER DOWNLOAD EXAMIANS APP
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