Mechanical Engineering Questions And Answers :: Engineering Materials: part2



Mechanical Engineering : Engineering Materials QUESTIONS AND ANSWERS :: part2 : 16 to 20

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

16.White cast iron contains carbon in the form of

free carbon
graphite
cementite
white carbon
ferrite.

17.In malleable iron, carbon is present in the form of

cementite
free carbon
flakes
spheroids
nodular aggregates of graphite.

18.In nodular iron, graphite is in the form of

cementite
free carbon
lakes
spheroids
nodular aggregates of graphite.

19.The percentage of carbon in pig iron varies from

0.1 to 1.2%
1.5 to 2.5%
2.5 to 4%
4 to 4.5%
4.5 to 6.3%.

20.The unique property of cast iron is its high

malleability
ductility
surface finish
damping characteristics
hardness.

More Engineering Materials QUESTIONS AND ANSWERS available in next pages

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