Freshers India

Engineering - Mechanical Engineering

You Are Here :: Home > Mechanical Engineering > Engineering Materials -General Questions

31.

The percentage of carbon in pig iron varies from

A.	0.1 to 1.2%	B.	1.5 to 2.5%
C.	2.5 to 4%	D.	4 to 4.5%

32.

The percentage of carbon in grey iron castings usually varies between

A.	0.5 to 1%	B.	1 - 2%
C.	2.5 to 4.5%	D.	5 - 7%

33.

Pig iron is the name given to

A.	raw material for blast furnace	B.	product of blast furnace made by reduction of iron ore
C.	iron containing huge quantities of carbon	D.	iron in molten form in the ladles

34.

The unique property of cast iron is its high

A.	malleability	B.	ductility
C.	surface finish	D.	damping characteristics

35.

Cast iron is characterised by minimum of following %age of carbon

A.	0.20%	B.	0.80%
C.	1.30%	D.	2%

36.

In grey cast iron, carbon is present in the form of

A.	cementite	B.	free carbon
C.	flakes	D.	spheroids

« prev

Catch Us on