A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than ____

A)

10%

B)

15%

C)

20%

D)

25%

Correct Answer : 20%

Recently Updated in Building Materials Questions

The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively :

A)

75, 10, 15

B)

10, 15, 75

C)

15, 75, 10

D)

10, 75, 15.

Correct Answer : Option (C) : 15, 75, 10

A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than ____

A)

10%

B)

15%

C)

20%

D)

25%

Correct Answer : Option (C) : 20%

According to IS 399-1963, the weight of the timber is specified at ______

A)

12% moisture content

B)

14% moisture content

C)

8% moisture content

D)

10% moisture content

Correct Answer : Option (A) : 12% moisture content

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