Building Materials
Commonly used thinner in

Cellulose paints is ethyl acetate
Lacquer paints, is alcohol
Oil paints, is naphtha
All listed here

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Building Materials
Sapwood consists of

Thin fibre which extends from the pith outwards and holds the annular rings together
Portion of timber between heartwood and cambium layer
Innermost annular rings around the pith
Thin layers below the bark

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Building Materials
Assertion A : Pure lime takes a long time to develop adequate strength.Reason R : Pure lime has slow hardening characteristics.Select your answer according to the coding system given below:

Both A and R is true and R is not a correct explanation of A
A is true but R is false
A is false but R is true
Both A and R is true and R is correct explanation of A

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