MCQOPTIONS
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MCQOPTIONS
This section includes 119 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Steel tamping rod of 0.6m length and 16 mm diameter is used for tamping of concrete. |
| A. | False |
| B. | True |
| C. | none |
| D. | all |
| Answer» C. none | |
| 2. |
For OPC Value of IST And FST is…… . |
| A. | 30 m & 600 m |
| B. | 50 m & 700 m |
| C. | 20m & 500 m |
| D. | 40m & 800 m |
| Answer» B. 50 m & 700 m | |
| 3. |
I.S.I. has specified the full strength of concrete after |
| A. | 7 days |
| B. | 14 days |
| C. | 21 days |
| D. | 28 days |
| Answer» E. | |
| 4. |
Concrete mixer are generally designed to run at a speed of ……….. Revolution per minute. |
| A. | 40 to 50 |
| B. | 30 to 40 |
| C. | 15 to 20 |
| D. | 20 to 30 |
| Answer» D. 20 to 30 | |
| 5. |
When concrete is to be laid under water ___________ is to used. |
| A. | Rapid Hardening Cement |
| B. | Ordinary Portland Cement |
| C. | Quick Setting Cement |
| D. | Low Heat Cement |
| Answer» D. Low Heat Cement | |
| 6. |
Which one is not used as air entraining agents? |
| A. | Alumina |
| B. | Natural resins |
| C. | Fats |
| D. | Oil |
| Answer» B. Natural resins | |
| 7. |
What are plasticizers? |
| A. | Which adds water for workability |
| B. | Which reduces water for workability |
| C. | Which decreases workability at the same water content |
| D. | Which oxidizes water for workability |
| Answer» C. Which decreases workability at the same water content | |
| 8. |
Slump test of concrete is a measure of its |
| A. | consistency |
| B. | compressive strength |
| C. | tensile strength |
| D. | impact value. |
| Answer» B. compressive strength | |
| 9. |
If the actual grading curve is steeper than the specified grading curve, it indicates an excess of……..particle size. |
| A. | sand |
| B. | coarser |
| C. | medium |
| D. | cement |
| Answer» D. cement | |
| 10. |
Good method for proportioning the materials. |
| A. | Weight batching |
| B. | Volume batching |
| C. | none |
| D. | all |
| Answer» B. Volume batching | |
| 11. |
Which type of aggregate is shown below? |
| A. | Angular aggregate |
| B. | Rounded aggregate |
| C. | Flaky aggregate |
| D. | Irregular or partially aggregate |
| Answer» D. Irregular or partially aggregate | |
| 12. |
For concrete exposed to a very aggressive environment the w/c should be lower than __________ |
| A. | 1 |
| B. | .5 |
| C. | 4 |
| D. | .8 |
| Answer» D. .8 | |
| 13. |
Workability of concrete is …….to the strength of concrete. |
| A. | proportional |
| B. | inversely proportional |
| C. | none |
| D. | all |
| Answer» C. none | |
| 14. |
Reduction in the quantity of mixing water which is possible by the use of plasticizers andadmixture varies from |
| A. | 1% to 5% |
| B. | 5% to 15% |
| C. | 15% to 25% |
| D. | 25% to 35% |
| Answer» C. 15% to 25% | |
| 15. |
The process of mixing, transporting, placing and compacting concrete should not take morethan ……. min any case. |
| A. | 90 |
| B. | 80 |
| C. | 70 |
| D. | 60 |
| Answer» B. 80 | |
| 16. |
According to IS : 456-1978 minimum period stipulated for most curing of concrete using ordinary Portland cement is |
| A. | 3 days |
| B. | 7 days |
| C. | 14 days |
| D. | 28 days |
| Answer» C. 14 days | |
| 17. |
…………refers to the gain of strength of a set cement paste. |
| A. | Setting of cement |
| B. | Hardening of cement |
| C. | none |
| D. | all |
| Answer» C. none | |
| 18. |
Total…….. % of water by weight of water by weight of cement is required for completehydration. |
| A. | 40 |
| B. | 38 |
| C. | 42 |
| D. | 50 |
| Answer» C. 42 | |
| 19. |
Cement content should be such that concrete has sufficient alkalinity (PH value). |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» B. False | |
| 20. |
Repair of air-field pavement use…… |
| A. | Air entrained cement |
| B. | Very high Strength cement |
| C. | Rediset Cement |
| D. | All of above |
| Answer» C. Rediset Cement | |
| 21. |
For concreting tunnel linings, transportation of concrete is done by |
| A. | pans |
| B. | wheel borrows |
| C. | containers |
| D. | pumps |
| Answer» E. | |
| 22. |
____ Cement is used for formwork that can be removed earlier and reused in other areas whichsave the cost of formwork. |
| A. | Rapid Hardening Cement |
| B. | Colored Cement |
| C. | High Alumina Cement |
| D. | Low Heat Cement |
| Answer» B. Colored Cement | |
| 23. |
Separating out of the ingredients of concrete mix from concrete is known as……… . |
| A. | Segregation |
| B. | bleeding |
| C. | separation |
| D. | Any of these |
| Answer» B. bleeding | |
| 24. |
Silica in excess causes ________ |
| A. | The cement to set slowly |
| B. | The cement to set quickly |
| C. | The cement to expand |
| D. | The cement to disintegrate |
| Answer» B. The cement to set quickly | |
| 25. |
Density of light weight aggregate concrete is about …….. kg/m3. |
| A. | 3000 |
| B. | 1500 |
| C. | 1200 |
| D. | 1400 |
| Answer» D. 1400 | |
| 26. |
Which cement is used to store for longer duration in wet climatic conditions? |
| A. | Expansive Cement |
| B. | Ordinary Portland cement |
| C. | Hydrophobic Cement |
| D. | Quick Setting Cement |
| Answer» D. Quick Setting Cement | |
| 27. |
For compressive strength test of cement ………. water is added. |
| A. | p/3 + 3 |
| B. | p/2 + 3 |
| C. | p/4 + 3 |
| D. | p/5 +3 |
| Answer» D. p/5 +3 | |
| 28. |
Specific gravity of natural aggregate lie between…… |
| A. | 2.5 to 2.6 |
| B. | 2.6 to 2.7 |
| C. | 2.6 to 2.8 |
| D. | 2.8 to 2.9 |
| Answer» D. 2.8 to 2.9 | |
| 29. |
Maximum permissible limit of magnesia content in OPC is… |
| A. | 4 % |
| B. | 6% |
| C. | 8% |
| D. | 10% |
| Answer» C. 8% | |
| 30. |
Permissible limit organic solids in water is……..mg/l |
| A. | 400 |
| B. | 600 |
| C. | 200 |
| D. | 500 |
| Answer» D. 500 | |
| 31. |
Coarse aggregates absorbs…….. % of moisture. |
| A. | 1 to 2 |
| B. | 0.5 to 1 |
| C. | 2 to 4 |
| D. | 2 to 3 |
| Answer» C. 2 to 4 | |
| 32. |
Workability of concrete is……. to the w/c. |
| A. | proportional |
| B. | inversely proportional |
| C. | none |
| D. | all |
| Answer» B. inversely proportional | |
| 33. |
The weight of residue should not exceed ……. for OPC. |
| A. | 10 % |
| B. | 20 % |
| C. | 30% |
| D. | 40% |
| Answer» B. 20 % | |
| 34. |
Material between…………… is classified as silt. |
| A. | 002 mm to 0.003 mm |
| B. | 0.08 mm to 1 mm |
| C. | 8 mm to 10 mm |
| D. | 0.06 mm to 0.002 mm |
| Answer» E. | |
| 35. |
Alumina in excess causes _________ |
| A. | Reduces the strength of the cement |
| B. | Increases the strength of the cement |
| C. | none |
| D. | all |
| Answer» B. Increases the strength of the cement | |
| 36. |
After 28 days of curing, cement gains have been found to have hydrated to a depth of only…..u. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 6 |
| Answer» D. 6 | |
| 37. |
Density of no fines concrete with light weight aggregate vary from ________ kg/m3. |
| A. | 1600-1900 |
| B. | <300 |
| C. | >2500 |
| D. | >300 |
| Answer» C. >2500 | |
| 38. |
In hand mixing …….. % more cement is added in mix. |
| A. | 30 |
| B. | 40 |
| C. | 20 |
| D. | 10 |
| Answer» E. | |
| 39. |
Undesirable expansion of some of constituents of cement after setting is known as……… . |
| A. | Soundness |
| B. | unsoundness |
| C. | none |
| D. | all |
| Answer» C. none | |
| 40. |
To measure workability of concrete in field …………….test is used. |
| A. | Flow test |
| B. | Compacting factor test |
| C. | Slump test |
| D. | All of above |
| Answer» D. All of above | |
| 41. |
Bigger size of aggregate will give higher workability. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» B. False | |
| 42. |
Note more than ……. bags should be kept one above other. |
| A. | 20 |
| B. | 25 |
| C. | 14 |
| D. | Any of above |
| Answer» D. Any of above | |
| 43. |
Shrinkage is the reduction in the volume of a fresh hardened concrete exposed to ambient tempand humidity. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» B. False | |
| 44. |
First 7 days strength in cement is due to….. Bogue compound. |
| A. | C3S |
| B. | C2S |
| C. | C3A |
| D. | C4AF |
| Answer» B. C2S | |
| 45. |
The deterioration of concrete take place due to. |
| A. | Salt solution |
| B. | Alkalies |
| C. | Fertilizers |
| D. | All of the above |
| Answer» E. | |
| 46. |
Types of slump is….. |
| A. | True slump |
| B. | Shear slump |
| C. | Collapse slump |
| D. | All of above |
| Answer» E. | |
| 47. |
Admixture which cause early setting and hardening of concrete are called … |
| A. | Workability admixtures |
| B. | accelerators |
| C. | retarders |
| D. | air entraining agents |
| Answer» C. retarders | |
| 48. |
Fineness modulus of fine sand is…… . |
| A. | 2.2 – 2.6 |
| B. | 2.6 – 2.9 |
| C. | 2.9 – 3.2 |
| D. | 3.2 - 4.2 |
| Answer» B. 2.6 – 2.9 | |
| 49. |
Air contents should be _________ % by volume. |
| A. | 1-2 |
| B. | 2-3 |
| C. | 3-4 |
| D. | 4-5 |
| Answer» D. 4-5 | |
| 50. |
The value of flow % may range anything from 0 to …. % |
| A. | 200 |
| B. | 250 |
| C. | 210 |
| D. | 150 |
| Answer» E. | |