Civil Engineering - Building Materials
Exercise :: Building Materials - Section 4
11. |
The low voltage porcelain is mainly used for |
A. |
switch block | B. |
insulating tubes | C. |
lamp sockets | D. |
All of these. |
Answer: Option D
Explanation:
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12. |
Putty is |
A. |
made with finely powdered chalk and linseed oil | B. |
used for fixing glass panes | C. |
softened by a solution of pearl ash and quick-lime soaked in water | D. |
all the above. |
Answer: Option D
Explanation:
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13. |
The initial setting time of hydraulic lime, is |
A. |
30 minutes | B. |
60 minutes | C. |
90 minutes | D. |
120 minutes | E. |
150 minutes. |
Answer: Option D
Explanation:
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14. |
PVC stands for |
A. |
plastic very compact | B. |
polythene vinyl chloride | C. |
polythene vinyl carbon | D. |
polythene vanadium carbide. |
Answer: Option B
Explanation:
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15. |
Generally wooden moulds are made from |
A. |
ply wood | B. |
shisham wood | C. |
deodar wood | D. |
teak wood | E. |
hard wood. |
Answer: Option B
Explanation:
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