MCQOPTIONS
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MCQOPTIONS
This section includes 26 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. |
I. S. sieve 2mm has |
| A. | Each hole of 2 mm square shape |
| B. | Each hole of 2 mm diameter |
| C. | Only two holes |
| D. | Per cm only two holes |
| Answer» B. Each hole of 2 mm diameter | |
| 2. |
In a soil specimen, 70% of particles are passing through 4.75 mm IS sieve and 40% of particles are passing through 75μ IS sieve. Its uniformity coefficient is 8 and coefficient of curvature is 2. As per IS classification, this soil is classified as: |
| A. | GW |
| B. | SP |
| C. | GP |
| D. | SW |
| Answer» E. | |
| 3. |
In the Indian standard classification system of soils, |
| A. | The soils are divided into three major divisions i.e Coarse grained, Fine grained and Highly organic soils |
| B. | The soils are classified based on mineralogical composition |
| C. | The soils are classified based on particle size with or without consistency limits |
| D. | The soils are classified as A1 to A7 based on stability of soils under vehicular load |
| Answer» B. The soils are classified based on mineralogical composition | |
| 4. |
A fine grained soil is found to be plastic in the water content range of 26 - 48 %. As per Indian Standard Classification System, the soil is classified as |
| A. | CL |
| B. | CH |
| C. | CL-ML |
| D. | CI |
| Answer» E. | |
| 5. |
According to I.S. classification system, the soil can be classified into:- |
| A. | 15 groups |
| B. | 7 groups |
| C. | 3 groups |
| D. | 18 groups |
| Answer» E. | |
| 6. |
Identify the true statements from the following : |
| A. | Lateritic soil is a category of organic soil |
| B. | Water held firmly to the clay particles has the same properties as ordinary water |
| C. | A soil transported by gravitational force is called talus |
| D. | A clay deposit which exhibits no evidence of fissuring is described as intact |
| Answer» D. A clay deposit which exhibits no evidence of fissuring is described as intact | |
| 7. |
A pycnometer is used to determine which of the following?(i) Specific Gravity (ii) Moisture Content(iii) Dry Density(iv) Void Ratio |
| A. | Only (i) |
| B. | (i) and (ii) |
| C. | (i), (ii) and (iii) |
| D. | (i), (ii), (iii) and (iv) |
| Answer» C. (i), (ii) and (iii) | |
| 8. |
If the fineness modulus of a sample of the fine aggregates is 4.3, the mean size of the particles in the sample is between |
| A. | 150 μm and 300 μm |
| B. | 2.36 mm and 4.75 mm |
| C. | 300 μm and 600 μm |
| D. | 1.18 mm and 2.36 mm |
| Answer» E. | |
| 9. |
If 1000 gms of sand is sieved through 4.75 mm, 2.36 mm, 1.18 mm, 600 micron, 300 micron and 150 micron standard sieves and the weights retained are 0 gms, 100 gms, 150 gms, 200 gms, 350 gms and 200 gms respectively, then the fineness modulus of the sand is |
| A. | 2 |
| B. | 2.6 |
| C. | 2.75 |
| D. | 2.9 |
| Answer» C. 2.75 | |
| 10. |
As per the Unified Soil Classification System (USCS), the type of soil represented by 'MH' is |
| A. | Inorganic clays of high plasticity with liquid limit less than 50% |
| B. | Inorganic clays of low plasticity with liquid limit more than 50% |
| C. | Inorganic silts of low plasticity with liquid limit less than 50% |
| D. | Inorganic silts of high plasticity with liquid limit more than 50% |
| Answer» E. | |
| 11. |
Colluvial soils (talus) are transported by |
| A. | Water |
| B. | Wind |
| C. | Gravity |
| D. | Ice |
| Answer» D. Ice | |
| 12. |
Lacustrine soils are the soils |
| A. | transported by rivers and streams |
| B. | transported by glaciers |
| C. | deposited in sea beds |
| D. | deposited in lake beds |
| Answer» E. | |
| 13. |
A soil with sand fraction = 14% , silt and clay content = 86%; Liquid limit of 55% and plasticity index of 28%. According to the Unified classification system, this soil is of type |
| A. | CL: clay of low plasticity |
| B. | MH : Silt of high plasticity, elastic silt |
| C. | OH: Organic clay, organic slit |
| D. | SC: Clayey sand |
| E. | CH: Clay of high plasticity, fat clay |
| Answer» F. | |
| 14. |
According to Highway Research Board, soils are classified into _______types. |
| A. | 4 |
| B. | 2 |
| C. | 10 |
| D. | 7 |
| Answer» E. | |
| 15. |
A soil sample is subjected to laboratory sieve analysis using a complete set of standard IS sieves. Out of 3 kg of soil used in the test, 1200 gm was retained on IS 600 micron sieve, 1500 gm was retained on IS 500 micron sieve and the remaining 300 gm was retained on IS 425 micron sieve. The uniformity co-efficient for the soil is: |
| A. | 0.85 |
| B. | 0.71 |
| C. | 1.2 |
| D. | 1.41 |
| Answer» D. 1.41 | |
| 16. |
For a given soil sample,Cc = coefficient of gradationCu = coefficient of uniformityD10 = effective sizeD30 = diameter through which 30% of the total soil mass is passingIf Cc = 1.0 and Cu = 4.0, then what would be the value of D30/D10 ? |
| A. | 2 |
| B. | 1.25 |
| C. | 1.5 |
| D. | 1.75 |
| Answer» B. 1.25 | |
| 17. |
Inorganic soils with low compressibility are represented by: |
| A. | MH |
| B. | SL |
| C. | ML |
| D. | CH |
| Answer» D. CH | |
| 18. |
Consider the following statements in the context of aeolian soil.A. The soil has low density and low compressibility.B. The soil is deposited by wind.C. The soil has large permeability.Which of these statements are correct? |
| A. | All three |
| B. | Only B and C |
| C. | Only A and B |
| D. | Only A and C |
| Answer» C. Only A and B | |
| 19. |
I.S. Sieve Nos. 10 mm and 4.75 mm are generally used for grading of |
| A. | coarse aggregates |
| B. | fine aggregates |
| C. | Both coarse aggregates and fine aggregates |
| D. | None of these |
| Answer» B. fine aggregates | |
| 20. |
Coefficient of curvature of a well graded gravel is |
| A. | Less than 1 |
| B. | Lies between 1 and 3 |
| C. | Lies between 3 and 6 |
| D. | Greater than 6 |
| Answer» C. Lies between 3 and 6 | |
| 21. |
According to IS Classification system, the soils can be classified into |
| A. | 18 Groups |
| B. | 15 Groups |
| C. | 3 Groups |
| D. | 7 Groups |
| Answer» B. 15 Groups | |
| 22. |
Arrange the following soils with respect to increasing order of realizable friction ratio:1. Loose gravel fill2. Sands or gravels3. Clay sand mixtures and silts4. Clays and peats |
| A. | 1, 2, 3 and 4 |
| B. | 4, 2. 3 and 1 |
| C. | 1, 3, 2 and 4 |
| D. | 4, 3, 2 and 1 |
| Answer» E. | |
| 23. |
Loess is silty clay formed by the action of |
| A. | Gravitational force |
| B. | Wind |
| C. | Glacier |
| D. | Water |
| Answer» C. Glacier | |
| 24. |
A fine grained soil has liquid limit of 60 and plastic limit of 20 as per plasticity chart. According to IS classification, the soil is represented by which of the following letter symbols? |
| A. | CL |
| B. | CH |
| C. | CL-ML |
| D. | CI |
| Answer» C. CL-ML | |
| 25. |
As per Indian Standard Soil Classification System (IS: 1498 - 1970), an expression for A-line is |
| A. | Ip = 0.73 (wL − 20) |
| B. | Ip = 0.70 (wL − 20) |
| C. | Ip = 0.73 (wL − 10) |
| D. | Ip = 0.70 (wL − 10) |
| Answer» B. Ip = 0.70 (wL − 20) | |
| 26. |
According to BIS classification, the range of silt size particles is |
| A. | 4.75 mm to 2.00 mm |
| B. | 2.00 mm to 0.45 mm |
| C. | 0.425 mm to 0.075 mm |
| D. | 0.075 mm to 0.002 mm |
| Answer» E. | |