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In order to improve the adhesive and tensile properties of the lime mortar, the _________ is added to the lime mortar.

(a) Steel flake

(b) Rubber gum

(c) Carbon fibre

(d) Hump

This question was posed to me during an online exam.

Origin of the question is Mortar for Plastering in portion Pointing and Plastering of Construction & Building Materials

1 Answer

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The correct choice is (d) Hump

The best I can explain: The quantity of Hump is about 10 Newton per metre cube of mortar. The mortar thus prepared is kept for two days before use and it is turned once in a day to make the mortar of uniform nature.

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