Engineering Materials Addition of copper to aluminium results in Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It melts at 1535°C It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It is very soft and ductile It contains carbon of the order of 0 to 0.25% It melts at 1535°C It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It is very soft and ductile It contains carbon of the order of 0 to 0.25% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Tungsten, titanium, vanadium Tungsten, chromium, titanium Chromium, titanium, vanadium Vanadium, chromium, tungsten Tungsten, titanium, vanadium Tungsten, chromium, titanium Chromium, titanium, vanadium Vanadium, chromium, tungsten ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age-hardening is related with German silver Stainless steel Duralumin Gun metal German silver Stainless steel Duralumin Gun metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Manganese Sulphur Phosphorus Silicon Manganese Sulphur Phosphorus Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The cupola is used to manufacture Wrought iron Steel Pig iron Cast iron Wrought iron Steel Pig iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
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