Materials and Construction 'Semi steel' is Both A & B Stronger than cast iron Neither A nor B Produced by adding 10-20% steel to the cupola charge Both A & B Stronger than cast iron Neither A nor B Produced by adding 10-20% steel to the cupola charge ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material is called 'ductile', if it can be Fractured without deformation Hammered to a thin sheet Made lustrous by heating it Drawn into wires Fractured without deformation Hammered to a thin sheet Made lustrous by heating it Drawn into wires ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%)? High frequency transformers Generators and small motors Armature of small motors/generators Induction motors High frequency transformers Generators and small motors Armature of small motors/generators Induction motors ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following exercises most powerful influence on the mechanical properties of steel? Phosphorous Carbon Manganese Silicon Phosphorous Carbon Manganese Silicon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel and copper are the basic constituents of Hastelloy Inconel German silver Monel metal Hastelloy Inconel German silver Monel metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following undergoes granular fracture? Cast iron Wrought iron None of these Steel Cast iron Wrought iron None of these Steel ANSWER DOWNLOAD EXAMIANS APP
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