Soil Stabilization MCQs PDF

1. What is the primary issue with soft soils? a) High density and low permeability b) Differential settlement and low bearing capacity c) Excessive water retention d) High organic content Answer: b) Differential settlement and low bearing capacity 2. Why is soil stabilization necessary for constr...

1. What is the primary issue with soft soils? a) High density and low permeability b) Differential settlement and low bearing capacity c) Excessive water retention d) High organic content Answer: b) Differential settlement and low bearing capacity 2. Why is soil stabilization necessary for construction projects? a) To reduce soil density b) To ensure safe usage of soft soils for infrastructure c) To improve water retention in soils d) To increase organic content in the soil Answer: b) To ensure safe usage of soft soils for infrastructure 3. What is the environmental drawback of traditional chemical stabilization? a) High cost of materials b) Increased soil compaction requirements c) Contribution to environmental pollution d) Slow reaction times Answer: c) Contribution to environmental pollution 4. Which additive is studied for eco-friendly soil stabilization in this project? a) Fly ash b) Lime c) Nano organo silane compound (Terrasil) d) Gypsum Answer: c) Nano organo silane compound (Terrasil) 5. What role does 1% cement play in the stabilization process? a) Acts as a binder for organic materials b) Speeds up pozzolanic reactions in the presence of nano materials c) Increases soil permeability d) Decreases soil shrinkage Answer: b) Speeds up pozzolanic reactions in the presence of nano materials 6. Which of the following is NOT an advantage of Terrasil? a) Improved load-bearing capacity b) Increased permeability c) Waterproofing properties d) Eco-friendly and non-toxic Answer: b) Increased permeability 7. What was the objective of the study regarding Nano additives? a) To develop a new soil classification method b) To determine the optimal dosage for maximum UCS strength c) To replace traditional soil stabilization methods entirely d) To test the water absorption capabilities of treated soil Answer: b) To determine the optimal dosage for maximum UCS strength 8. **What is the plasticity index of 4o You said: continue ChatGPT said: ChatGPT Here’s the continuation of the MCQs based on your document: 3. What is the environmental drawback of traditional chemical stabilization? a) High cost of materials b) Causes environmental pollution c) Reduces soil strength d) Increases soil compressibility Answer: b) Causes environmental pollution 4. What non-traditional material was used in this study for soil stabilization? a) Lime b) Fly ash c) Nano organo silane compound d) Bitumen Answer: c) Nano organo silane compound 5. What is the role of 1% cement in this project? a) To act as a binder for nano additives b) To reduce soil plasticity c) To increase soil permeability d) To waterproof the soil Answer: a) To act as a binder for nano additives 6. What are the key advantages of Terrasil? a) Improved load-bearing capacity and waterproofing b) High organic content and permeability c) Reduced cost and water absorption d) Increased shrinkage and porosity Answer: a) Improved load-bearing capacity and waterproofing 7. Which property does Terrasil improve to enhance soil durability? a) Soil organic content b) Soil strength and resistance to environmental elements c) Soil permeability and porosity d) Soil compaction effort Answer: b) Soil strength and resistance to environmental elements 8. What is the plastic limit of Kuttanad clay soil used in this study? a) 15.3% b) 26.5% c) 35.0% d) 40.1% Answer: b) 26.5% 9. How is Kuttanad clay soil classified based on Atterberg limits? a) Highly compressible clay b) Low-density silt c) Gravelly soil d) Loamy sand Answer: a) Highly compressible clay 10. What does the Proctor Compaction Test determine? a) Soil permeability b) Optimum moisture content and maximum dry density c) Soil plasticity d) Shear strength Answer: b) Optimum moisture content and maximum dry density 11. What was the UCS strength of untreated Kuttanad clay soil? a) 250 kPa b) 138 kPa c) 46 kPa d) 80 kPa Answer: c) 46 kPa 12. What is the optimum dosage of Terrasil for maximum strength improvement? a) 0.02% b) 0.03% c) 0.04% d) 0.05% Answer: c) 0.04% 13. By how much did the UCS strength improve with Terrasil at 0.04% dosage? a) 2.5 times the untreated soil strength b) 3.8 times the untreated soil strength c) 4.5 times the untreated soil strength d) 5.42 times the untreated soil strength Answer: d) 5.42 times the untreated soil strength 14. What is the effect of curing time on the strength of NC-treated clay soil? a) Strength decreases over time b) Strength increases up to 28 days and then stabilizes c) Strength remains constant throughout d) Strength fluctuates based on temperature Answer: b) Strength increases up to 28 days and then stabilizes 15. What was the primary test used to measure shear strength improvement? a) Triaxial test b) Direct shear test c) Unconfined compression test d) Vane shear test Answer: c) Unconfined compression test 16. How many wet-dry cycles can NC-treated clay soil withstand? a) 2 cycles b) 3 cycles c) 4 cycles d) 5 cycles Answer: c) 4 cycles Would you like me to continue, or should I start formatting these into a Google Forms or Quizizz-compatible file? Let me know! 4o You said: continue until all questions covered in my ppt ChatGPT said: ChatGPT Continuing from the extracted points, here are more MCQs: 17. What is the primary function of nano organo silane compounds in soil stabilization? a) To increase soil organic content b) To waterproof and strengthen the soil c) To reduce soil density d) To increase soil permeability Answer: b) To waterproof and strengthen the soil 18. What is the primary composition of Terrasil used in this study? a) A mix of lime and fly ash b) Nano-chemical compound for soil stabilization c) Cement-based material for binding d) Organic silicate minerals Answer: b) Nano-chemical compound for soil stabilization 19. What does the particle size distribution test indicate? a) The organic content of the soil b) The gradation and composition of soil particles c) The shear strength of soil d) The permeability of soil Answer: b) The gradation and composition of soil particles 20. What was the liquid limit of Kuttanad clay soil? a) 50% b) 60% c) More than 60% d) Less than 40% Answer: c) More than 60% 21. What property does the plasticity index (PI) measure? a) Soil density b) Soil plasticity and compressibility c) Soil compaction resistance d) Soil permeability Answer: b) Soil plasticity and compressibility 22. What does the stress-strain behavior study of treated clay evaluate? a) The density changes in the soil b) The elasticity of untreated soils c) The improvement in soil strength at various dosages and curing periods d) The water absorption capacity Answer: c) The improvement in soil strength at various dosages and curing periods 23. How much did the UCS strength of soil improve with 1% cement addition? a) From 46 kPa to 80 kPa b) From 46 kPa to 138 kPa c) From 80 kPa to 250 kPa d) From 46 kPa to 250 kPa Answer: b) From 46 kPa to 138 kPa 24. What was the UCS strength of clay soil treated with 0.04% Terrasil after 28 days of curing? a) 250 kPa b) 200 kPa c) 300 kPa d) 150 kPa Answer: a) 250 kPa 25. Why is Terrasil considered an eco-friendly solution? a) It is biodegradable and reduces pollution b) It requires very low dosages and does not cause environmental harm c) It promotes soil erosion d) It increases soil permeability Answer: b) It requires very low dosages and does not cause environmental harm 26. What happens to the strength of NC-treated clay soil after 28 days? a) Strength continues to increase indefinitely b) Strength becomes constant after the chemical reaction completes c) Strength reduces significantly d) Strength fluctuates based on environmental conditions Answer: b) Strength becomes constant after the chemical reaction completes 27. What is the sustainability of NC-treated clay soil under wetting and drying cycles? a) It shows negligible strength loss up to 4 cycles b) It cannot sustain wet-dry cycles c) Strength decreases drastically after the first cycle d) It can sustain infinite wet-dry cycles Answer: a) It shows negligible strength loss up to 4 cycles 28. What is the importance of wet-dry durability tests? a) To assess soil’s reaction to chemical treatments b) To determine soil's ability to withstand environmental conditions over time c) To evaluate soil plasticity d) To measure soil permeability changes Answer: b) To determine soil's ability to withstand environmental conditions over time 29. What does the optimum moisture content (OMC) correspond to in the Proctor Test? a) Maximum soil density b) Minimum soil porosity c) Maximum dry density d) Minimum water absorption Answer: c) Maximum dry density 30. What is the primary outcome of this project on Kuttanad clay soil? a) Reduction in soil plasticity without any strength improvement b) Significant increase in UCS strength with minimal environmental impact c) Complete elimination of soil compressibility d) Increase in water absorption capacity Answer: b) Significant increase in UCS strength with minimal environmental impac