BUILDING MATERIALS MCQS SET 47

BUILDING MATERIALS MCQS SET 47

1. Lime concrete is generally used for
(A) Wall foundations
(B) Flooring at ground level
(C) Both (A) and (B)
(D) Neither (A) nor (B)
Answer: Option B

2. Bituminous fells are used for
(A) Covering A.C. sheets
(B) Covering sloping roofs
(C) D.P.C.
(D) None to these
Answer: Option A

3. Quick setting cement is produced by adding
(A) Less amount of gypsum in very fine powdered form
(B) More amount of gypsum in very fine powdered form
(C) Aluminium sulphate in very fine powdered form
(D) Pozzolana in very fine powdered form
Answer: Option C

4. Pick up the correct statement from the following:
(A) The substance which consists of one primary chemical, is known as monomer
(B) The polymer consists of thousands of monomers joined together
(C) The polymer molecule is called macro-molecule  

(D) All the above
Answer: Option D

5. The normal curing period for lime mortar, is:
(A) 1 day
(B) 3 days
(C) 7 days
(D) 10 days
Answer: Option C

6. German silver is an alloy of
(A) Zinc, lead and nickel
(B) Silver, gold and lead
(C) Copper, nickel and zinc
(D) Copper, brass and zinc
Answer: Option C

7. For the manufacture of stainless steel, steel is mixed with
(A) Chromium
(B) Nickel
(C) Tungsten
(D) None of these
Answer: Option A

8. The presence of original rounded surface on the manufactured piece of timber, is called
(A) Wane
(B) Torn grain
(C) Diagonal grain
(D) Chipmark
Answer: Option A

9. In paints, the pigment is responsible for
(A) Durability
(B) Colour
(C) Smoothness
(D) Glassy face
Answer: Option B

10. The operation of removal of impurities or clay adhering to iron ores, is known as
(A) Dressing
(B) Calcination
(C) Roasting
(D) Smelting
Answer: Option A