Engineering Materials The percentage of carbon in grey iron castings usually varies between 2.5 to 4.5% 5 to 7% 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% 0.012 0.5 to 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The molecules in a solid move In a random manner In circular motion In a haphazard way Back and forth like tiny pendulums In a random manner In circular motion In a haphazard way Back and forth like tiny pendulums ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Machinability Hardness Hardness and strength Strength and ductility Machinability Hardness Hardness and strength Strength and ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resisting steels should have Low tensile strength Low wear resistance Low hardness Toughness Low tensile strength Low wear resistance Low hardness Toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has maximum ductility? Mild steel Nickel Aluminium Copper Mild steel Nickel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Promotes decarburisation Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Provides high hot hardness Promotes decarburisation Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Provides high hot hardness ANSWER DOWNLOAD EXAMIANS APP
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