MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
Which apparatus is generally used to measure the soundness of the cement? |
| A. | Vicat Apparatus |
| B. | Le-Chatelier apparatus |
| C. | Soundness meter |
| D. | Duff Abrams apparatus |
| Answer» C. Soundness meter | |
| 2. |
What is the amount of water required to give the paste normal consistency for consistency test? |
| A. | .78 times |
| B. | .79 times |
| C. | .77 times |
| D. | .76 times |
| Answer» B. .79 times | |
| 3. |
The apparatus used are ___ IS Sieve, Balance capable of weighing 10g to the nearest 10mg. |
| A. | 90μm |
| B. | 45μm |
| C. | 22.5μm |
| D. | 14μm |
| Answer» B. 45μm | |
| 4. |
If L1=Measurement taken after 24 hours of immersion in water at a temp. of 27 ± 20oC and L2=Measurement taken after 3 hours of immersion in water at boiling temperature. Then what is soundness of cement? |
| A. | L1+L2 |
| B. | L1/L2 |
| C. | L1-L2 |
| D. | L1*L2 |
| Answer» D. L1*L2 | |
| 5. |
WHAT_IS_THE_AMOUNT_OF_WATER_REQUIRED_TO_GIVE_THE_PASTE_NORMAL_CONSISTENCY_FOR_CONSISTENCY_TEST??$ |
| A. | .78 times |
| B. | .79 times |
| C. | .77 times |
| D. | .76 times |
| Answer» B. .79 times | |
| 6. |
Which_apparatus_is_generally_used_to_measure_the_soundness_of_the_cement?$ |
| A. | Vicat Apparatus |
| B. | Le-Chatelier apparatus |
| C. | Soundness meter |
| D. | Duff Abrams apparatus |
| Answer» C. Soundness meter | |
| 7. |
The apparatus used are ___ IS Sieve, Balance capable of weighing 10g to the nearest 10mg? |
| A. | 90μm |
| B. | 45μm |
| C. | 22.5μm |
| D. | 14μm |
| Answer» B. 45‚âà√≠¬¨‚à´m | |
| 8. |
To determine the fineness of cement ____ |
| A. | Grain size is smaller than specified mesh size |
| B. | Grain size is larger than specified mesh size |
| C. | Grain size is equal to specified mesh size |
| D. | Grain size is 1mm |
| Answer» C. Grain size is equal to specified mesh size | |
| 9. |
If L1=Measurement taken after 24 hours of immersion in water at a temp. of 27 ± 20oC and L2=Measurement taken after 3 hours of immersion in water at boiling temperature. Then what is soundness of cement?$ |
| A. | L1+L2 |
| B. | L1/L2 |
| C. | L1-L2 |
| D. | L1*L2 |
| Answer» D. L1*L2 | |
| 10. |
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 | |
| 11. |
To measure the concrete temperature, the stem of the thermometer must be kept by at least ___ inches of concrete. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 12. |
After placing each layer in a slump cone, the concrete in the cone is tapped to remove remaining voids. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
How many layers of concrete are placed to fill a slump cone? |
| A. | 5 layers |
| B. | 3 equal layers by volume |
| C. | 3 equal layers by height |
| D. | 5 layers by volume |
| Answer» C. 3 equal layers by height | |
| 14. |
How many times in each layer of concrete rodded in a slump cone? |
| A. | 75 |
| B. | 25 |
| C. | 12 to 15 |
| D. | 35 to 65 |
| Answer» C. 12 to 15 | |