Engineering Materials MCQ with Answers

Engineering Materials MCQ with Answers

131) White cast iron contains carbon in the form of

Answer is:

cementite

132) In mottled cast iron, carbon is available in

Answer is:

partly in free and partly in combined state.

133) An important property of high silicon (12 - 18%) cast iron is the high

Answer is:

hardness

134) An important property of malleable cast iron in comparison to grey cast iron is the high

Answer is:

ductility

Explanation:

Ductility It is a property of a material enabling it to be drawn into wires.
Malleability It is a property of a material enabling it to be drawn into thin sheets.

An important property of malleable cast iron in comparison to grey cast iron is the high

135) Steel contains

Answer is:

50% or more iron

Explanation:

Steel contains 50% or more iron