Engineering Materials Steel containing ferrite and pearlite is Hard Hard and tough Tough Soft Hard Hard and tough Tough Soft ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The charge of the blast furnace consists of Calcined ore (1 part), coke (8 parts) and limestone (4 parts) Calcined ore (4 parts), coke (1 part) and limestone (8 parts) Calcined ore, coke and limestone all in equal parts Calcined ore (8 parts), coke (4 parts) and limestone (1 part) Calcined ore (1 part), coke (8 parts) and limestone (4 parts) Calcined ore (4 parts), coke (1 part) and limestone (8 parts) Calcined ore, coke and limestone all in equal parts Calcined ore (8 parts), coke (4 parts) and limestone (1 part) ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes It easily machinable It brittle The casting unsound It hard It easily machinable It brittle The casting unsound It hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The cupola is used to manufacture Wrought iron Cast iron Steel Pig iron Wrought iron Cast iron Steel Pig iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements? Babbitt metal Phosphor bronze Monel metal Nichrome Babbitt metal Phosphor bronze Monel metal Nichrome ANSWER DOWNLOAD EXAMIANS APP