Materials and Construction Cast iron compared to steel is better in Fluidity & castability Strength Malleability Ductility Fluidity & castability Strength Malleability Ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following pairs of elements may form an alloy? Platinum & mercury Iron & mercury None of these Iron & carbon Platinum & mercury Iron & mercury None of these Iron & carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicon percentage in acid resistant cast iron is about 8 4 20 14 8 4 20 14 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In cold working of metal as compared to its hot working Ductility and impact strength improves Appreciable strain hardening is produced Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves Appreciable strain hardening is produced Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Malleability Tenacity & hardness Ductility Electrical conductivity Malleability Tenacity & hardness Ductility Electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When iron is rusted, it is None of these Converted to a fine powder Oxidised Reduced None of these Converted to a fine powder Oxidised Reduced ANSWER DOWNLOAD EXAMIANS APP
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