BUILDING MATERIALS MCQS SET 42

BUILDING MATERIALS MCQS SET 42

1. Bitumen in
(A) Solid state, is called asphalt
(B) Semi fluid state, is called mineral tar
(C) Fluid state, is called petroleum
(D) All the above
Answer: Option D

2. Varnish is a transparent or semi-transparent solution of resinous substances in
(A) Alcohol
(B) Linseed
(C) Turpentine
(D) All the above
Answer: Option D

3. Refractory bricks are used for
(A) Retaining walls
(B) Columns
(C) Piers
(D) Combustion chambers
Answer: Option D

4. Minimum required water cement ratio for a workable concrete, is
(A) 0.30
(B) 0.40
(C) 0.50
(D) 0.60
Answer: Option B

5. Minimum of 40% of iron, is available in
(A) Magnetite
(B) Red haematite
(C) Limonite
(D) Black band
Answer: Option D

6. Portland pozzolana cement possesses
(A) Higher resistance to chemical attack
(B) Lower heat of hydration
(C) Lower shrinkage on drying
(D) All the above
Answer: Option D

7. Dextrin is
(A) Animal glue
(B) Starch glue
(C) Albumin glue
(D) Rubber based adhesive
Answer: Option D

8. Mastic asphalt is normally used for
(A) Sound insulation
(B) Water proofing
(C) Fire proofing
(D) None to these
Answer: Option B

9. The steel which contains fissures and cavities, is manufactured by
(A) Cementation process
(B) Crucible process
(C) Bessemer process
(D) Open hearth process
Answer: Option A

10. Based on flow quality, the sequence of pipes is
(A) A.C. pipes, G.I. pipes, C.I. pipes, PVC pipes
(B) C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes
(C) C.I. pipes, G.I. pipes, PVC pipes, A.C. pipes
(D) None of these
Answer: Option B