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:
|
| 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:
|
| 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:
|
| 14. |
PVC stands for |
| A. |
plastic very compact | | B. |
polythene vinyl chloride | | C. |
polythene vinyl carbon | | D. |
polythene vanadium carbide. |
Answer: Option B
Explanation:
|
| 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:
|
