Engineering Materials Which of the following material has nearly zero coefficient of expansion? Heat resisting steel High speed steel Stainless steel Invar Heat resisting steel High speed steel Stainless steel Invar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Amorphous material is one In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid Which emits fumes on melting Which is not attacked by phosphorous In which atoms align themselves in a geometric pattern upon solidification In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid Which emits fumes on melting Which is not attacked by phosphorous In which atoms align themselves in a geometric pattern upon solidification ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Super conduction by metals is observed in the temperature range of Around 100°C Below 10°K Around 0°C Above 100°K Around 100°C Below 10°K Around 0°C Above 100°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dislocations in materials refer to the following type of defect Volumetric defect Plane defect Point defect Line defect Volumetric defect Plane defect Point defect Line defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase endurance strength Increase wear resistance Reduce machinability Increase hardenability Increase endurance strength Increase wear resistance Reduce machinability Increase hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains Elements like phosphorus, sulphur and silicon in varying quantities 50% or more iron 80% or more iron Alloying elements like chromium, tungsten nickel and copper Elements like phosphorus, sulphur and silicon in varying quantities 50% or more iron 80% or more iron Alloying elements like chromium, tungsten nickel and copper ANSWER DOWNLOAD EXAMIANS APP
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