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The vegetable oil if present in mixing for concrete __________

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The vegetable oil if present in mixing for concrete __________

(a) Improves strength

(b) Reduces strength

(c) Gives more slump

(d) Gives a smooth surface

The question was asked in class test.

This intriguing question comes from Quality of Water topic in division Water of Concrete Technology

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Best answer
The correct option is (b) Reduces strength

Best explanation: If vegetable oil is present in mixing of concrete then it will reduces the strength due to more lubrication.

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