As per Darcy's Law, permeability of a soil is directly proportional to the velocity of water flowing through it. True/ False
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- Define Effective Stress and discuss its importance in soil mechanics.Explain Weight–Volume, Mass–Volume Relationship of soil.Determine the percentages of gravel, sand, silt, and clay according to the AASHTO System. 1. Gravel 2. Sand 3. Silt 4. Clay Please answer this asap. For upvote. Thank you very much
- a. Identify at least three soil types in your area. b. Can you make out the physical properties of the soil with the feel of your fingers? Show how. If not possible, explain any method you know. c. Differentiate between tension and retention of moisture. d. Is it true that the lower the soil moisture tension the greater the moisture content? Why? e. Which class of soil water is most important to irrigation? How about the drainage? f. During the hot part of the day you notice some plants start to wilt. What does this indicate? g. What happens to soil moisture tension as the soil becomes drier? h. Why should soil moisture be continuously monitored? i. Is it practical for irrigation farmer to modify soil structure? Why? j. What substances occupy the pore space of soil? k. Are naturally well-drained irrigated soils ever completely saturated? Explain. l. For what purposes would you consider feel and appearance of soil sufficiently accurate as an indicator of soil…calculate the volume of the soil solid in ft3.FINES SAND GRAVEL Fine Medium Coarse Fine Coarse #200 # 4 3" 100 90 80 70 60 E 50 40 30 20 10 0.001 0.01 0.1 10 100 Particle size (mm) Observe SoilB and Classify. The LL is 30 and PL is 25. The material is inorganic in nature. Knowing this, is the soil fine grained? Course grained? what is the group symbol, soil name? What is the coefficient of uniformity, coefficient of curvature? Percent finer by weight|
- Describe the strength of cohesive and non cohesive soil.discuss and explain the understanding of principle involved in the Soil System of total volume and mass by citing situation and ideas dealing on Soil and Water relations.Please choose the most accurate definition of compaction. O The process which increase soil density O The process which increase soil density and shear strength A densification of soil through external mechanical forces which cause air out to be squeeze out. O A process of squeezing air out from soil