Taps, dies and drills contain carbon________________?

Related Mcqs:

Annealing of white cast iron results in production of_________________?

A. malleable iron B. nodular iron C. spheroidal iron D. grey iron E. none of the above...

Hardness of martensite is about___________________?

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

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

A. carbon B. vanadium C. manganese D. cobalt E. copper...

The presence of sulphur in pig iron makes__________________?

A. it easily machinable B. it brittle C. it hard D. the casting unsound E. increases the fluidity...

Dow metal contains____________________?

A. 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe B. 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg C. 90% aluminium and 90% copper D. 90% magnesium and 9% aluminium with some copper E. 90% magnesium and 10% tin...