Engineering Materials The percentage of carbon in grey iron castings usually varies between 2.5 to 4.5% 5 to 7% 0.5 to 1% 0.012 2.5 to 4.5% 5 to 7% 0.5 to 1% 0.012 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal shrinks most from molten state to solid state? Brass Cast steel Admiralty metal Cast iron Brass Cast steel Admiralty metal Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For the allotropic forms of iron, the points of arrest are Constant for all metals The points where no further change occurs The points of discontinuity The points where there is no further flow of metal Constant for all metals The points where no further change occurs The points of discontinuity The points where there is no further flow of metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Decrease First increase and then decrease Increase Remain same Decrease First increase and then decrease Increase Remain same ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Cementite Ferrite Austenite Pearlite Cementite Ferrite Austenite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. Less than None of these Equal to More than Less than None of these Equal to More than ANSWER DOWNLOAD EXAMIANS APP