MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
The loss in weight should not exceed ______ percent when tested with sodium sulphate and ______ percent with magnesium sulphate solution. |
| A. | 12, 18 |
| B. | 18, 12 |
| C. | 10, 15 |
| D. | 15, 10 |
| Answer» B. 18, 12 | |
| 2. |
On cooling below 1250oC, C3S decomposes ______ |
| A. | Fast |
| B. | Slowly |
| C. | Never |
| D. | Depends on the conditions |
| Answer» C. Never | |
| 3. |
THE_LOSS_IN_WEIGHT_SHOULD_NOT_EXCEED________PERCENT_WHEN_TESTED_WITH_SODIUM_SULPHATE_AND________PERCENT_WITH_MAGNESIUM_SULPHATE_SOLUTION.?$ |
| A. | 12, 18 |
| B. | 18, 12 |
| C. | 10, 15 |
| D. | 15, 10 |
| Answer» B. 18, 12 | |
| 4. |
What is final setting time? |
| A. | The time at which cement paste loses its plasticity |
| B. | The time to reach that stage at which cement paste loses its elasticity |
| C. | The time at which cement paste gains its plasticity |
| D. | The time when cement paste becomes hardened |
| Answer» B. The time to reach that stage at which cement paste loses its elasticity | |
| 5. |
On cooling below 1250oC, C3S decomposes ______ |
| A. | Fast |
| B. | Slowly |
| C. | Never |
| D. | Depends on the conditions |
| Answer» C. Never | |
| 6. |
Loss on Ignition (L.O.I.) is the loss in weight of cement after being heated to _______ |
| A. | 1000°C |
| B. | 100°C |
| C. | 500°C |
| D. | 1500°C |
| Answer» B. 100¬¨¬®‚Äö√†√ªC | |
| 7. |
In the soundness test a specimen of hardened cement paste is _______ for a fixed time. |
| A. | Freeze |
| B. | Dry |
| C. | Boiled |
| D. | Dipped in water |
| Answer» D. Dipped in water | |
| 8. |
Compressive strength of hardened concrete is done by _______ |
| A. | Cube test |
| B. | Tensile splitting test |
| C. | Concrete core test |
| D. | Flexure test |
| Answer» B. Tensile splitting test | |
| 9. |
Which test can be performed without skilled labor? |
| A. | Probe test |
| B. | Bend liquid test |
| C. | Dye penetrant test |
| D. | Torsion test |
| Answer» D. Torsion test | |
| 10. |
Identify the type of destructive testing. |
| A. | Radiographic test |
| B. | Dye penetrant test |
| C. | Creep test |
| D. | Visual testing |
| Answer» D. Visual testing | |
| 11. |
Which test is used to determine dimensions of any object? |
| A. | Ultrasonic test |
| B. | Torsion test |
| C. | Eddy current test |
| D. | Compression test |
| Answer» D. Compression test | |