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Materials and Construction — Test 5

Page 1 of 3

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Question 1
_____________ iron is produced, when molten pig iron is chilled suddenly?
Question 2
Tin coating on metals is not done by_____________________?
Question 3
Metalloid is_______________________?
Question 4
Gun metal is an alloy of_________________________?
Question 5
Polymorphism is not exhibited by______________________?
Question 6
Carbon is present in the combined form (carbide) in case of______________________?
Question 7
The hardest material just prior to diamond in Mhos scale is_________________?
Question 8
Corrosion resisting properties of cast iron are significantly improved by the addition of 12 – 15% of___________________?
Question 9
Which of the following is not an alloy of copper ?
Question 10
Which of the following crystal structures characterises the ferritic stainless stee l?