The most effective inhibitor of grain growth, when added in small quantities is__________________?

Related Mcqs:

Chilled cast iron has____________________?

A. no graphite B. a very high percentage of graphite C. a low percentage of graphite D. graphite as its basic constituent of composition E. none of the above is true...

Hardness of martensite is about___________________?

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

Maximum percentage of carbon in ferrite is___________________?

A. 0.025% B. 0.06% C. 0.1% D. 0.25% E. 0.8%....

The percentage of carbon in low carbon steel is__________________?

A. 0.05% B. 0.15% C. 0.3% D. 0.5% E. 0.7%....

Perminvar alloy having constant permeability is an alloy of________________?

A. nickel, copper and iron B. nickel, copper and zinc C. copper, nickel and antimony D. iron, zinc and bismuth E. antimony, copper and zinc...