Civil Engineering - Building Materials
Exercise :: Building Materials - Section 2
| 16. |
Black marble is generally found in the district of |
| A. |
Jodhpur | | B. |
Jaipur | | C. |
Jabalpur | | D. |
Jaisalmer | | E. |
Pune. |
Answer: Option B
Explanation:
|
| 17. |
The most fire resistant paints are : |
| A. |
enamel paints | | B. |
aluminium paints | | C. |
asbestos paints | | D. |
cement paints. |
Answer: Option C
Explanation:
|
| 18. |
If P is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is |
Answer: Option D
Explanation:
|
| 19. |
A pug mill is used for |
| A. |
softening brick earth | | B. |
moulding brick earth | | C. |
tempering brick earth | | D. |
providing brick earth | | E. |
all the above. |
Answer: Option C
Explanation:
|
| 20. |
A good brick earth should contain : |
| A. |
about 20% to 30% of alumina | | B. |
about 50% to 60% of silica | | C. |
not more than 5% of lime | | D. |
about 5 to 6% of oxide of lime | | E. |
All the above. |
Answer: Option E
Explanation:
|
