Engineering Materials A small percentage of boron is added to steel in order to Increase wear resistance Reduce machinability Increase endurance strength Increase hardenability Increase wear resistance Reduce machinability Increase endurance strength Increase hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is an amorphous material? Silver Lead Glass Mica Silver Lead Glass Mica ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The brown smoke during the operation of a Bessemer converter indicates that the The brown smoke does not occur during the operation of a Bessemer converter The converter must be titled to remove the contents of the converter Silicon and manganese has burnt and carbon has started oxidizing Air is burning out silicon and manganese The brown smoke does not occur during the operation of a Bessemer converter The converter must be titled to remove the contents of the converter Silicon and manganese has burnt and carbon has started oxidizing Air is burning out silicon and manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. Remain same Decreases Increases None of these Remain same Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An engineer's hammer is made of High carbon steel Forged steel Mild steel Cast iron High carbon steel Forged steel Mild steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Drop forging dies contain carbon of the order of 0.1 to 0.2% 0.25 to 0.5% 0.6 to 0.7% 0.7 to 0.9% 0.1 to 0.2% 0.25 to 0.5% 0.6 to 0.7% 0.7 to 0.9% ANSWER DOWNLOAD EXAMIANS APP
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