Engineering Materials Addition of copper to aluminium results in Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes It hard It brittle The casting unsound It easily machinable It hard It brittle The casting unsound It easily machinable ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has nearly zero coefficient of expansion? Stainless steel Invar Heat resisting steel High speed steel Stainless steel Invar Heat resisting steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as None of these Hypereutectic cast irons Eutectic cast irons Hypoeutectic cast irons None of these Hypereutectic cast irons Eutectic cast irons Hypoeutectic cast irons ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to absorb energy in the plastic range is called Toughness Creep Fatigue strength Resilience Toughness Creep Fatigue strength Resilience ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta iron occurs at temperature of Between 1400°C and 1539°C Above melting point Room temperature Between 910°C and 1400°C Between 1400°C and 1539°C Above melting point Room temperature Between 910°C and 1400°C ANSWER DOWNLOAD EXAMIANS APP
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