Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Copper Magnesium Lead and bismuth Silicon Copper Magnesium Lead and bismuth Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. None of these Equal to More than Less than None of these Equal to More than Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Solder is an alloy consisting of Tin and lead Tin and copper Tin, antimony, copper Lead and zinc Tin and lead Tin and copper Tin, antimony, copper Lead and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The steel widely used for motor car crankshafts is Nickel steel Nickel-chrome steel Chrome steel Silicon steel Nickel steel Nickel-chrome steel Chrome steel Silicon steel 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
Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% ANSWER DOWNLOAD EXAMIANS APP
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