(a) Non-conducting and Non-magnetic material (b) Non-conducting and magnetic material (c) Conducting and magnetic material (d) Conducting and Non-magnetic material Answer: (d)
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Answer: (a)
(a) Increase (b) Decrease (c) Remain same (d) None of these Answer: (c)
(a) To reduce shrinkage (b) To impart plasticity (c) To make bricks durable (d) None of the above Answer: (b)