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UPSC Civil Service Exam Questions - Engineering

Q1:

Consider the following statements :
A good soil for making bricks should contain
1. about 30% alumina
2. about 10% lime nodules
3. a small quantity of iron oxides
4. about 15% magnesia.
Of these statements :

A 1 and 2 are correct

B 1 and 3 are correct

C 1, 3 and 4 are correct

D 2, 3 and 4 are correct

ANS:B - 1 and 3 are correct

No answer description is available.