Engineering Materials Iron ore is usually found in the form of All of these Sulphides Carbonates Oxides All of these Sulphides Carbonates Oxides 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 Phosphorus Silicon Sulphur Manganese Phosphorus Silicon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An engineer's hammer is made of Mild steel High carbon steel Cast iron Forged steel Mild steel High carbon steel Cast iron Forged steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. None of these Remain same Increases Decreases None of these Remain same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Phosphorus Sulphur Silicon Manganese Phosphorus Sulphur Silicon Manganese ANSWER DOWNLOAD EXAMIANS APP
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