Engineering Materials Which of the following material has nearly zero coefficient of expansion? Invar Heat resisting steel Stainless steel High speed steel Invar Heat resisting steel Stainless steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The compressive strength of cast iron is __________that of its tensile strength. Equal to More than Less than None of these Equal to More than Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Any one of these Nitriding Flame hardening Case hardening Any one of these Nitriding Flame hardening Case hardening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron Cannot stand sudden and excessive shocks Can be easily forged or welded Is a ductile material All of these Cannot stand sudden and excessive shocks Can be easily forged or welded Is a ductile material All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Combined carbon in iron makes the metal Hard and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure Hard and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Super conduction by metals is observed in the temperature range of Around 100°C Above 100°K Below 10°K Around 0°C Around 100°C Above 100°K Below 10°K Around 0°C ANSWER DOWNLOAD EXAMIANS APP
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