Engineering Materials Which of the following material has nearly zero coefficient of expansion? Heat resisting steel Stainless steel High speed steel Invar Heat resisting steel Stainless steel High speed steel Invar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Grey cast iron has Low compressive strength High tensile strength All of these Carbon in the form of free graphite Low compressive strength High tensile strength All of these Carbon in the form of free graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as None of these Line defect Surface defect Point defect None of these Line defect Surface defect Point defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Permalloy is a Kind of stainless steel None ferrous alloy Nickel and iron alloy having high permeability Polymer Kind of stainless steel None ferrous alloy Nickel and iron alloy having high permeability Polymer 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 Super conduction by metals is observed in the temperature range of Below 10°K Around 100°C Above 100°K Around 0°C Below 10°K Around 100°C Above 100°K Around 0°C ANSWER DOWNLOAD EXAMIANS APP
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