MCQOPTIONS
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MCQOPTIONS
This section includes 24 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Gradation affects the properties of an aggregate. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
For fine aggregates that is, sample passing through 4.75mm IS sieve, how much sample should be taken? |
| A. | 5 kg |
| B. | 1 kg |
| C. | 2 kg |
| D. | .5 kg |
| Answer» C. 2 kg | |
| 3. |
For how long is the mechanical vibrator shaked? |
| A. | 15-20 minutes |
| B. | 5 minutes |
| C. | 10-15 minutes |
| D. | 30 minutes |
| Answer» B. 5 minutes | |
| 4. |
A narrow gradation is also called: |
| A. | Gap gradation |
| B. | Uniform gradation |
| C. | Rich gradation |
| D. | Open gradation |
| Answer» C. Rich gradation | |
| 5. |
______ is used for washing the soil portion passing through 4.75 mm sieve. |
| A. | distilled water |
| B. | 2g of sodium hexametaphosphate per litre of water |
| C. | 10% of brine solution |
| D. | kerosene |
| Answer» C. 10% of brine solution | |
| 6. |
The soil portion passing through 4.75 mm sieve is washed for further sieve analysis. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
The percentage of soil retained on each sieve is calculated on the basis of ______ |
| A. | total mass |
| B. | total weight |
| C. | volume of sample |
| D. | density of soil |
| Answer» B. total weight | |
| 8. |
______ minutes of shaking is done for soil with small particles. |
| A. | 2 |
| B. | 10 |
| C. | 15 |
| D. | 60 |
| Answer» C. 15 | |
| 9. |
Sieving is performed by arranging the various sieves one over the other in the order of their mech openings. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
The receiver at the bottom of the assembly in sieve shaking machine is________ |
| A. | 4.75mm sieve |
| B. | 425micron |
| C. | pan |
| D. | 75micron |
| Answer» D. 75micron | |
| 11. |
The portion retained on______ IS sieve is termed as gravel fraction. |
| A. | 4.75mm |
| B. | 2mm |
| C. | 425micron |
| D. | 75micron |
| Answer» B. 2mm | |
| 12. |
In Indian Standard (IS : 460-11962) the sieve sizes are given by_____ |
| A. | number of openings |
| B. | number of openings per inch |
| C. | size of aperture in mm |
| D. | size of aperture in cm |
| Answer» D. size of aperture in cm | |
| 13. |
Sieve analysis is meant for______ |
| A. | coarse-grained soils |
| B. | fine-grained soils |
| C. | coarse-grained gravel |
| D. | silt |
| Answer» B. fine-grained soils | |
| 14. |
FOR_HOW_LONG_IS_THE_MECHANICAL_VIBRATOR_SHAKED??$ |
| A. | 15-20 minutes |
| B. | 5 minutes |
| C. | 10-15 minutes |
| D. | 30 minutes |
| Answer» B. 5 minutes | |
| 15. |
Gradation affects the properties of an aggregate.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 16. |
For_fine_aggregates_that_is,_sample_passing_through_4.75mm_IS_sieve,_how_much_sample_should_be_taken?$ |
| A. | 5 kg |
| B. | 1 kg |
| C. | 2 kg |
| D. | .5 kg |
| Answer» C. 2 kg | |
| 17. |
A narrow gradation is also called? |
| A. | Gap gradation |
| B. | Uniform gradation |
| C. | Rich gradation |
| D. | Open gradation |
| Answer» C. Rich gradation | |
| 18. |
Which of the below is a limitation of performing sieve analysis? |
| A. | Time consuming |
| B. | Costly |
| C. | Particle shape |
| D. | Particle size |
| Answer» D. Particle size | |
| 19. |
Under what circumstance is a wet sieve analysis carried out? |
| A. | Sample is washed |
| B. | Moisture content is high in sample |
| C. | Sample contains organic matter |
| D. | Very fine powdered sample |
| Answer» E. | |
| 20. |
In how many ways can sieve analysis be carried out? |
| A. | 5 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 21. |
How is percentage retained on each sieve calculated? |
| A. | w<sub>sample</sub>/w<sub>sieve</sub> |
| B. | w<sub>sieve</sub>/w<sub>sample</sub> |
| C. | w<sub>sieve</sub>-w<sub>sample</sub> |
| D. | w<sub>sample</sub>-w<sub>sieve</sub> |
| Answer» C. w<sub>sieve</sub>-w<sub>sample</sub> | |
| 22. |
What is a receiver in a sieve analyser? |
| A. | Round pan on top |
| B. | First sieve |
| C. | Last sieve |
| D. | Round pan at base |
| Answer» E. | |
| 23. |
The aggregate sample for the sieve analysis is placed on: |
| A. | Largest sieve |
| B. | Smallest sieve |
| C. | 40mm IS sieve |
| D. | 4.75mm IS sieve |
| Answer» B. Smallest sieve | |
| 24. |
The sieve sets for coarse aggregate ranges from: |
| A. | 40-4.75mm |
| B. | 20-4.75mm |
| C. | 80-4.75mm |
| D. | 100-4.75mm |
| Answer» D. 100-4.75mm | |