Engineering Materials Which of the following material has nearly zero coefficient of expansion? Invar High speed steel Stainless steel Heat resisting steel Invar High speed steel Stainless steel Heat resisting steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. Equal to Less than None of these More than Equal to Less than None of these More than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Shot peening Cold working Surface decarburisation Nitriding of surface Shot peening Cold working Surface decarburisation Nitriding of surface ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Can be rolled or hammered into thin sheets Breaks with little permanent distortion Can be drawn into wires Can cut another metal Can be rolled or hammered into thin sheets Breaks with little permanent distortion Can be drawn into wires Can cut another metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 910°C 1050°C 770°C Below recrystallization temperature 910°C 1050°C 770°C Below recrystallization temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Y-alloy Duralumin Magnalium Hindalium Y-alloy Duralumin Magnalium Hindalium ANSWER DOWNLOAD EXAMIANS APP
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