The percentage of carbon in grey iron castings usually varies between __________________?

Related Mcqs:

Steel contains____________________?

A. 80% or more iron B. 50% or more iron C. alloying elements like chromium, tungsten nickel and copper D. elements like phosphorus, sulphur and silicon in varying quantities E. high quantities of sulphur...

Hardness of upper bainite (acicular structure) is about___________________?

A. RC 65 B. RC 48 C. RC 57 D. RC 80 E. RC 32....

Pure iron is the structure of_______________?

A. ferrite B. pearlite C. anstenite D. ferrite and cementite E. ferrite and pearlite...

Heavy duty leaf and coil spring* contain carbon of the following order ________________?

A. 0.2% B. 0.5% C. 0.8% D. 1.0% E. 1.5%....

Gun metal contains__________________?

A. 70% copper and 30% zinc B. 90% copper and 10% tin C. 85-92% copper and rest tin with little lead and nickel D. 70-78% copper and rest tin E. 85-92% copper and rest zinc...