Engineering Materials The purpose of heat treatment is to Change grain size Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Any one of these Change grain size Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver contains 5% silver No silver 2% silver 1% silver 5% silver No silver 2% silver 1% silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Following elements have face-centered cubic structure Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt A iron (below 910°C and between 1400 to 1539°C), W All of these Mg, Zn, Ti, Zr, Br, Cd Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt A iron (below 910°C and between 1400 to 1539°C), W All of these Mg, Zn, Ti, Zr, Br, Cd ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material due to which it breaks with little permanent distortion, is called Brittleness Plasticity Malleability Ductility Brittleness Plasticity Malleability Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Reduces the grain size Decreases tensile strength and hardness Acts as deoxidiser Lowers the toughness and transverse ductility Reduces the grain size Decreases tensile strength and hardness Acts as deoxidiser Lowers the toughness and transverse ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The cupola is used to manufacture Steel Wrought iron Pig iron Cast iron Steel Wrought iron Pig iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
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