Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Silicon Manganese Phosphorus Sulphur Silicon Manganese Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 30 : 70 40 : 60 2.9375 2.1180555555556 30 : 70 40 : 60 2.9375 2.1180555555556 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding All of these Cast iron High speed steel All nonferrous materials All of these Cast iron High speed steel All nonferrous materials ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The steel widely used for motor car crankshafts is Silicon steel Nickel steel Nickel-chrome steel Chrome steel Silicon steel Nickel steel Nickel-chrome steel Chrome steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Ductility Malleability Brittleness Plasticity Ductility Malleability Brittleness Plasticity ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of manganese to aluminium results in Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
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