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This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Concrete Technology knowledge and support exam preparation. Choose a topic below to get started.
1. |
Approximate ratio of direct tensile strength to flexural strength is ____________ |
A. | .25 |
B. | .33 |
C. | .5 |
D. | .05 |
Answer» D. .05 | |
2. |
Approximate ratio of strength of the 30 cm cube to that of 15 cm cube is _____________ |
A. | 1.1 |
B. | 1 |
C. | .9 |
D. | .75 |
Answer» D. .75 | |
3. |
Approximate ratio of the strength of the cement conc of 7 days to that of 28 days (2/3)? |
A. | .75 |
B. | .85 |
C. | 1 |
D. | 1.15 |
Answer» B. .85 | |
4. |
As per & 5456:200 Young s modulus of concrete is _______________ |
A. | 1000 f<sub>ck</sub> |
B. | 5000 f<sub>ck</sub><sup>2</sup> |
C. | 5700 f<sub>ck</sub> |
D. | 150 f<sub>ck</sub> |
Answer» C. 5700 f<sub>ck</sub> | |
5. |
Strength of concrete is ___________ |
A. | (f_{ck} = K( frac{c}{C+W+A})^2 ) |
B. | (f_{ck} = K( frac{C+A}{C+W+A})^2 ) |
C. | (f_{ck} = K( frac{C+W}{C+W+A})^2 ) |
D. | (f_{ck} = K( frac{C+W+A}{C+W+A})^2 ) |
Answer» B. (f_{ck} = K( frac{C+A}{C+W+A})^2 ) | |