Engineering Materials Pearlite consists of 13% carbon and 87% ferrite 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% ferrite and 87% cementite 13% carbon and 87% ferrite 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% ferrite and 87% cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The silicon steel is widely used for Cutting tools Connecting rods Generators and transformers in the form of laminated cores Motor car crankshafts Cutting tools Connecting rods Generators and transformers in the form of laminated cores Motor car crankshafts ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following pipes is least corrosion resistant? Mild steel Wrought iron Brass Cast iron Mild steel Wrought iron Brass Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Tungsten, titanium, vanadium Vanadium, chromium, tungsten Tungsten, chromium, titanium Chromium, titanium, vanadium Tungsten, titanium, vanadium Vanadium, chromium, tungsten Tungsten, chromium, titanium Chromium, titanium, vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Remain same First increase and then decrease Increase Decrease Remain same First increase and then decrease Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase wear resistance Increase endurance strength Reduce machinability Increase hardenability Increase wear resistance Increase endurance strength Reduce machinability Increase hardenability ANSWER DOWNLOAD EXAMIANS APP
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