www.McqFinder.in

Home
MCQ
Search
Free Apps
Important
Study Groups
Contact Us
Policy

Home
MCQ
Objective Questions
Engineering
Mechanical
ME Set-3
Engineering Materials
122

Engineering Materials MCQ with Answers

122) In nodular iron, graphite is in the form of

cementite

free carbon

flakes

spheroids

Answer is:

spheroids

Engineering Materials MCQ with Answers

For more MCQ's Click Here

Related Engineering Materials MCQ with Answers

123) In malleable iron, carbon is present in the form of

cementite

free carbon

flakes

nodular aggregates of graphite.

Answer is:

nodular aggregates of graphite.

124) Wrought iron is

hard

high in strength

highly resistant to corrosion

heat treated to change its properties

Answer is:

highly resistant to corrosion

Explanation:

Wrought iron is soft, ductile, magnetic, and has high elasticity and tensile strength. It can be heated and reheated and worked into various shapes.

125) Sulphur in pig iron tends to make it

hard′

soft

ductile

tough

Answer is:

hard′

126) Pick up wrong statement about wrought iron

It contains carbon of the order of 0 to 0.25%

It melts at 1535°C

It is very soft and ductile

It is made by adding suitable percent¬age of carbon to molten iron and subjecting the product to repeated hammering and rolling.

Answer is:

It is made by adding suitable percent¬age of carbon to molten iron and subjecting the product to repeated hammering and rolling.

Engineering Materials MCQ with Answers

For more MCQ's Click Here