MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
Aggregate has therefore a direct effect on the long-term deformations of concrete because __________ |
| A. | Low elastic modulus aggregate will produce a stiffer concrete that will have relatively higher resistance to deformation |
| B. | High elastic modulus aggregate will produce a stiffer concrete that will have relatively higher resistance to deformation |
| C. | High elastic modulus aggregate will produce a stiffer concrete that will have relatively lower resistance to deformation |
| D. | Low elastic modulus aggregate will produce a stiffer concrete that will have relatively lower resistance to deformation |
| Answer» C. High elastic modulus aggregate will produce a stiffer concrete that will have relatively lower resistance to deformation | |
| 2. |
When concrete is loaded it experiences a large strain upon loading known as _____________ |
| A. | Differential elastic strain |
| B. | Instantaneous elastic strain |
| C. | Differential inelastic strain |
| D. | Instantaneous inelastic strain |
| Answer» C. Differential inelastic strain | |
| 3. |
According to Lamond and Pielert, it s the ____ that exhibits creep upon application of load on a concrete specimen. |
| A. | Aggregates |
| B. | Water |
| C. | Cement paste |
| D. | Admixtures |
| Answer» D. Admixtures | |
| 4. |
If is creep coefficient then what is Elong? |
| A. | E<sub>short</sub> /(1+ ) |
| B. | E<sub>short</sub> *(1+ ) |
| C. | E<sub>avg</sub> /(1+ ) |
| D. | E<sub>avg</sub> *(1+ ) |
| Answer» B. E<sub>short</sub> *(1+ ) | |
| 5. |
If the creep effect is considered at a given load, the modulus determined is referred to as ______ |
| A. | Short term modulus of elasticity |
| B. | Elasticity |
| C. | Long term modulus of elasticity |
| D. | Creep effect |
| Answer» D. Creep effect | |
| 6. |
Creep is ____________ |
| A. | Time dependent |
| B. | Time independent |
| C. | Pressure dependent |
| D. | Temperature dependent |
| Answer» B. Time independent | |