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A prime coat is low viscosity asphalt emulsion used to create bond between existing pavement and new asphalt overlay.

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in Basic Civil Engineering by (111k points)
A prime coat is low viscosity asphalt emulsion used to create bond between existing pavement and new asphalt overlay.

(a) True

(b) False

The question was posed to me in an international level competition.

My question is based upon Highway Engineering topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

1 Answer

+1 vote
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Best answer
Right choice is (b) False

Best explanation: A tack coat is used to bond existing pavement surface to the new asphalt overlay. A prime coat is applied to base course prior to laying HMA course.

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