Engineering Materials White metal contains 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper Silver and chromium Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper Silver and chromium Alloy of tin, lead and cadmium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is known as allotropic or polymorphic if it Responds to heat treatment Has a fixed structure under all conditions Exists in several crystal forms at different temperatures Has its atoms distributed in a random pattern Responds to heat treatment Has a fixed structure under all conditions Exists in several crystal forms at different temperatures Has its atoms distributed in a random pattern ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal is used for nuclear energy? All of these Niobium Thorium Uranium All of these Niobium Thorium Uranium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. More than Equal to Less than None of these More than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature The average grain size is a minimum The grain size first increases and then decreases very rapidly There is no change in grain size The grain size increases very rapidly The average grain size is a minimum The grain size first increases and then decreases very rapidly There is no change in grain size The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 48 RC 57 RC 80 RC 65 RC 48 RC 57 RC 80 RC 65 ANSWER DOWNLOAD EXAMIANS APP
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