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UPSC Civil Service Exam Questions - Engineering

Q1:

Consider the following statements :
Soft varieties of pig iron are also known as
1. foundry pig
2. grey pig
3. forge pig
4. mottled pig.
Of these statements :

A 1, 2, 3 and 4 are correct

B 1 alone is correct

C 1 and 2 are correct

D 3 and 4 are correct

ANS:A - 1, 2, 3 and 4 are correct

Pig iron is also known as Bessemer pig, foundry pig, grey pig.