BUILDING MATERIALS MCQS SET 36

BUILDING MATERIALS MCQS SET 36

1. Plastic asphalt is
(A) Used as a water proofing layer over roof
(B) A mixture of cement and asphalt
(C) A natural asphalt
(D) A refinery product
Answer: Option B

2. Pick up the correct statement from the following:
(A) Rusting is caused due to combined action of air, moisture and carbon dioxide
(B) During rusting, first ferrous bicarbonates are formed
(C) On further oxidation ferrous bicarbonates get converted to ferric bicarbonates
(D) All the above
Answer: Option D

3. The commonly used base for iron and steel work, is
(A) Red lead
(B) Zinc white
(C) White lead
(D) Titanium white
Answer: Option A

4. For high grade instruments the steel preferred to, is
(A) Cast steel
(B) Bessemer steel
(C) Mild steel
(D) Whitworth compressed steel
Answer: Option A

5. Bitumen felt is used for
(A) Water proofing
(B) Damp proofing
(C) Both (A) and (B)
(D) Neither (A) nor (B)
Answer: Option C

6. The most important constituent of an oil paint, is
(A) Thinner
(B) Vehicle
(C) Pigment
(D) All the above
Answer: Option D

7. Acrylic sheets
(A) Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness
(B) Are generally unaffected by most household detergents
(C) Possess the light transmission rate of 93%
(D) All the above
Answer: Option D

8. Brass is an alloy of
(A) Copper and zinc
(B) Zinc and lead
(C) Tin and silver 
(D) Zinc and nickel
Answer: Option A

9. Pick up the polymineralic rock from the following:
(A) Quartz sand
(B) Pure gypsum
(C) Magnesite
(D) Granite
Answer: Option D

10. Pick up the hypabyssal rock from the following:
(A) Granite
(B) Dolerite
(C) Basalt
(D) All the above
Answer: Option B