Building Materials
Which of the following represents a metamorphic rock?
(i) Slate
(ii) Shale
(iii) Quartzite

All (i), (ii) and (iii)
Only (iii)
Both (i) and (iii)
Both (ii) and (iii)

ANSWER DOWNLOAD EXAMIANS APP

Building Materials
Assertion A : Paints with white lead base are not recommended for painting of iron works.Reason R : Paints with white lead base do not check rusting of iron.Select your answer according to the coding system given below:

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

ANSWER DOWNLOAD EXAMIANS APP

Building Materials
Acrylic sheets

All of these
Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness
Are generally unaffected by most household detergents
Possess the light transmission rate of 93%

ANSWER DOWNLOAD EXAMIANS APP