Materials and Construction In cold working of metal as compared to its hot working Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves Cracks and blow holes are eliminated Appreciable strain hardening is produced Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves Cracks and blow holes are eliminated Appreciable strain hardening is produced ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Purity of electrical grade aluminium should be ≥ __________ percent. 95 99.5 85 90 95 99.5 85 90 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Having h.c.p. crystal lattice Ferromagnetic above its curie point (i.e., 415°C) Not resistant to oxidation at high temperature Ferromagnetic at room temperature Having h.c.p. crystal lattice Ferromagnetic above its curie point (i.e., 415°C) Not resistant to oxidation at high temperature Ferromagnetic at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The behaviour of visco-elastic material is time dependent. This behaviour is commo in __________ materials. Non-crystalline solid Rubberry Non-crystalline organic polymeric Crystalline Non-crystalline solid Rubberry Non-crystalline organic polymeric Crystalline ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following mechanical properties of a material is most structure insensitive? Modulus of elasticity (young Percentage reduction of area Tensile strength Toughness Modulus of elasticity (young Percentage reduction of area Tensile strength Toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon is present in the uncombined (graphitic) form in case of None of these Ferroalloy Cast iron Steel None of these Ferroalloy Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
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