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Which cement is used to create bond with old concrete surface?

(a) Rapid Hardening Cement

(b) Expansive Cement

(c) Sulphate Resisting Cement

(d) Low Heat Cement

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Correct option is (b) Expansive Cement

Easy explanation: As the name suggests, it expands and increases in volume while settled. It is used to avoid shrinkage of concrete.

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