BUILDING MATERIALS MCQS SET 43

BUILDING MATERIALS MCQS SET 43

1. Pick up the correct statement from the following:
(A) Hornblende mineral is brittle
(B) Muscovite is also known as white mica and potash mica
(C) Biotite is also known as black-mica
(D) All the above
Answer: Option D

2. Good quality sand is never obtained from
(A) River
(B) Lake
(C) Sea
(D) Gravel powder
Answer: Option C

3. Lime mortar is generally made with
(A) Quick lime
(B) Fat lime
(C) Hydraulic lime
(D) Plain lime
Answer: Option C

4. Pick up the compound responsible for early strength of cement from the following:
(A) Tetra-calcium alumino-ferrite 
(B) Tri-calcium silicate
(C) Tri-calcium aluminate
(D) Di-calcium silicate
Answer: Option B

5. Linseed oil is used in paints as
(A) Thinner
(B) Vehicle
(C) Base
(D) Drier
Answer: Option D

6. Asphalt is obtained from
(A) Petroleum distillation
(B) Bitumen distillation
(C) Plastic distillation
(D) None of these
Answer: Option A

7. Percentage content of silica in window glass, is
(A) 40 to 45
(B) 50 to 55
(C) 60 to 65
(D) 70 to 75
Answer: Option D

8. Most commonly used solvent in oil paints, is
(A) Petroleum
(B) Spirit
(C) Coal tar
(D) Turpentine
Answer: Option A

9. The harmonious mixing of the clay ingredients, is known as
(A) Weathering
(B) Blending
(C) Tempering
(D) None of these
Answer: Option B

10. Bitumen felt
(A) Is used as water proofing material
(B) Is used as damp proofing material
(C) Is made from bitumen and hessian fibres
(D) All the above
Answer: Option D