Which is false statement about case hardening. Case hardening is done by_______________?

Related Mcqs:

For the allotropic forms of iron, the points of arrest are __________________?

A. the points where no further change oc-curs B. constant for all metals C. the points where there is no further flow of metal D. the points of discontinuity E. the points where major changes take place...

Inconel is an alloy of___________________?

A. nickel, chromium and iron B. nickel, copper C. nickel, chromium D. nickel, zinc E. nickel, lead...

In mottled cast iron, carbon is available in__________________?

A. free form B. combined form C. nodular form D. flat form E. partly in free and partly in combined state...

Drop forging dies contain carbon of the order of_________________?

A. 0.1 to 0.2% B. 0.25 to 0.5% C. 0.6 to 0.7% D. 0.7 to 0.9% E. 1.0 to 1.2%....

Addition of manganese to aluminium results in__________________?

A. improvement of casting characteristics B. improvement of corrosion resistance C. one of the best known age and precipitation-hardening systems D. improving machinability E. none of the above...