Building Materials MCQ Civil Engineering Questions Answers


31) Which one of the following is not a preservative of stone

(a) coal tar

(b) paraffin

(c) linseed oil

(d) ASCU

View Answer
Option – d)

32) Which of the following trees yields hard wood ?

a) deodar

b) chir

c) sheesham

d) pine

View Answer
Option – c)

33) Siliceous sand subjected to metamorphic action is known as

(a) laterite

(b) murram

(c) quartzite

(d) dolomite

View Answer
Option – c)

34) The practical limit of moisture content achieved in air drying of timber is

a) 5%

b) 15%

c) 25%
d) 35%

View Answer
Option – b)

35) Sedimentary rocks are formed due to

(a) solidification of molten mass

(b) gradual deposition of materials like sand, clay, generally by setting water

(c) alteration of original stones under heat and pressure

(d) none of the above

View Answer
Option – b)

36) According to the relevant IS  code, the weight of the timber is to be reckoned at a moisture content of

a) zero

b) 4%

c) 8%

d) 12%

View Answer
Option – d)

37) The rocks formed due to solidification of molte n mas.s are called

(a) aqueous rocks

(b) sedimentary rocks

(c) metamorphic rocks

(d) igneous rocks

View Answer
Option – d)

Best Of Luck!!