Practice Test: Question Set - 24
1. The presence of sand in brick earth prevents:
- (A) Cracking of
bricks
- (B) Shrinkage
of bricks
- (C) Warping of
bricks
- (D) None of
these
2. Refractory bricks are
- (A) Neutral
refractory bricks
- (B) Acid
refractory bricks
- (C) Basic
refractory bricks
- (D) All
the above
3. A prime coat is given to steel work with
- (A) An oxide of
iron paint
- (B) A mixture of
white lead and lead paint
- (C) A special
paint
- (D) Cement paint
4. Teak wood is suitable for
- (A) Sports
articles
- (B) Furnitures
- (C) Railway
sleepers
- (D) All the
above
5. Elastomers can extend upto
- (A) Five
times their original dimensions
- (B) Seven times
their original dimensions
- (C) Ten times
their original dimensions
- (D) Three times
their original dimensions
6. 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
7. Varnish is a transparent or semi-transparent solution of resinous substances in
- (A) Alcohol
- (B) Linseed
- (C) Turpentine
- (D) All the
above
8. Refractory bricks are used for
- (A) Retaining walls
- (B) Columns
- (C) Piers
- (D) Combustion
chambers
9. Minimum required water cement ratio for a workable concrete, is
- (A) 0.30
- (B) 0.40
- (C) 0.50
- (D) 0.60
10. Minimum of 40% of iron, is available in
- (A) Magnetite
- (B) Red
haematite
- (C) Limonite
- (D) Black band
11. Portland pozzolana cement possesses
- (A) Higher
resistance to chemical attack
- (B) Lower heat
of hydration
- (C) Lower
shrinkage on drying
- (D) All the
above
12. Dextrin is
- (A) Animal glue
- (B) Starch
glue
- (C) Albumin
glue
- (D) Rubber
based adhesive
13. Mastic asphalt is normally used for
- (A) Sound
insulation
- (B) Water
proofing
- (C) Fire
proofing
- (D) None to
these
14. The steel which contains fissures and cavities, is manufactured by
- (A) Cementation
process
- (B) Crucible
process
- (C) Bessemer
process
- (D) Open hearth
process
15. 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
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