Engineering Materials Maximum percentage of carbon in ferrite is 0.00025 0.0006 0.001 0.0025 0.00025 0.0006 0.001 0.0025 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 Air is burning out silicon and manganese The converter must be titled to remove the contents of the converter Silicon and manganese has burnt and carbon has started oxidizing The brown smoke does not occur during the operation of a Bessemer converter Air is burning out silicon and manganese The converter must be titled to remove the contents of the converter Silicon and manganese has burnt and carbon has started oxidizing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Promotes decarburisation Promotes retention of austenite Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes decarburisation Promotes retention of austenite Provides high hot hardness Forms very hard carbides and thus increases wear resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as None of these Hypoeutectic cast irons Eutectic cast irons Hypereutectic cast irons None of these Hypoeutectic cast irons Eutectic cast irons Hypereutectic cast irons ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace is used to produce Steel Wrought iron Cast iron Pig iron Steel Wrought iron Cast iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
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