Which of the following element results in presence of free graphite in C.I_________________?

Related Mcqs:

The crystal of alpha iron is ____________________?

A. body centred cubic B. face centred cubic C. hexagonal close packed D. cubic structure E. orthorhombic crystal...

Induction hardening is the process of_____________________?

A. hardening surface of workpiece to ob-tain hard and wear resistant surface B. heating and cooling rapidly C. increasing hardness throughout D. inducing hardness by continuous process E. hardening core...

The crystal structure of gamma iron is_________________?

A. body centred cubic B. face centred cubic C. hexagonal close packed D. cubic structure E. orthorhombic crystal...

Grey cast iron_____________________?

A. contains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron B. is also known as chilled cast iron am is obtained by cooling rapidly. It i: almost unmachinable C. is produced by annealing process. I is soft, tough and easily machinec metal D. is produced … Grey cast iron_____________________?Read More...

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...