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How much should fuel oil be added to increase the moulding ability of sand?(a) 0.01% – 0.1%(b) 0.02% – 0.2%(c) 0.03% – 0.3%(d) 0.04% – 0.4% |
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Answer» Correct choice is (a) 0.01% – 0.1% Explanation: Fuel oils are known to have great properties in them. Fuel oils are helpful in adding to the increase of the moulding ability of sand. It can be added in the range of 0.01% to 0.1%. |
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