Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 1500°C to 1700°C 1200°C to 1300°C 400° to 700°C 800°C to 1000°C 1500°C to 1700°C 1200°C to 1300°C 400° to 700°C 800°C to 1000°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of Mainly pearlite Mainly ferrite Pearlite and cementite Ferrite and pearlite Mainly pearlite Mainly ferrite Pearlite and cementite Ferrite and pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is the false statement about wrought iron? It has Uniform strength in all directions Ability of hold protective coating High resistance to rusting and corrosion High ductility Uniform strength in all directions Ability of hold protective coating High resistance to rusting and corrosion High ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free carbon in iron makes the metal Soft and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 30 : 70 2.1180555555556 2.9375 40 : 60 30 : 70 2.1180555555556 2.9375 40 : 60 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The stiffness is the ability of a material to resist Fracture due to high impact loads Externally applied forces with breakdown or yielding None of these Deformation under stress Fracture due to high impact loads Externally applied forces with breakdown or yielding None of these Deformation under stress ANSWER DOWNLOAD EXAMIANS APP
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