Engineering Materials Delta-iron occurs between the temperature ranges of 400°C to 600°C 900°C to 1400°C 600°C to 900°C 1400°C to 1530°C 400°C to 600°C 900°C to 1400°C 600°C to 900°C 1400°C to 1530°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes decarburisation Promotes retention of austenite Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes decarburisation Promotes retention of austenite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Stress relaxation is the phenomenon Stress reduces on increasing load In which stress remains constant on increasing load In which deformation tends to loosen the joint and produces a stress reduced In which parts are not loaded Stress reduces on increasing load In which stress remains constant on increasing load In which deformation tends to loosen the joint and produces a stress reduced In which parts are not loaded ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron ore is usually found in the form of All of these Carbonates Sulphides Oxides All of these Carbonates Sulphides Oxides ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 30 : 70 2.9375 40 : 60 2.1180555555556 30 : 70 2.9375 40 : 60 2.1180555555556 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Large forgings, crank shafts, axles normally contain carbon up to 0.05 to 0.20% 0.20 to 0.45% 0.45 to 0.55% 0.55 to 1.0% 0.05 to 0.20% 0.20 to 0.45% 0.45 to 0.55% 0.55 to 1.0% ANSWER DOWNLOAD EXAMIANS APP
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