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:
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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:
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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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