Civil Engineering - Concrete Technology
Exercise :: Concrete Technology - Section 3
| 1. |
Permissible compressive strength of M 150 concrete grade is |
| A. |
100 kg/cm2 | | B. |
150 kg/cm2 | | C. |
200 kg/cm2 | | D. |
250 kg/cm2 | | E. |
300 kg/cm2 |
Answer: Option B
Explanation:
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| 2. |
Slump test of concrete is a measure ofits |
| A. |
consistency | | B. |
compressive strength | | C. |
tensile strength | | D. |
impact value. |
Answer: Option A
Explanation:
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| 3. |
Pozzolana cement is used with confidence for construction of |
| A. |
dams | | B. |
massive foundations | | C. |
abutments | | D. |
R.C.C. structures | | E. |
all the above. |
Answer: Option E
Explanation:
|
| 4. |
Water cement ratio is |
| A. |
volume of water to that of cement | | B. |
weight of water to that of cement | | C. |
weight of concrete to that of water | | D. |
volume of concrete to that of water | | E. |
both (a) and (b) of the above. |
Answer: Option E
Explanation:
|
| 5. |
Efflorescence in cement is caused due to an excess of |
| A. |
alumina | | B. |
iron oxide | | C. |
silica | | D. |
alkalis | | E. |
magnesium oxide. |
Answer: Option D
Explanation:
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