| 1. | The hydraulic gradient provided at the downstream side of a hydraulic structure such as a dam is called ? | |
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downstream gradient
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tail water gradient
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exit gradient
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any one of these
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Report Question| 2. | For engineering purposes, soil is defined as ? | |
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the loose mantle at the surface of the earth which favours the growth of plant
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a natural aggregate of mineral grains, loose or moderately cohesive, inorganic or organic in nature
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a disintegrated rock
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all of the above
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| 3. | The lateral earth pressure exerted by the soil when the retaining wall moves into the soil, is known as ? | |
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earth pressure at rest
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active earth pressure
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passive earth pressure
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total earth pressure
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| 4. | The strength of a soil is usually identified by ? | |
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direct tensile stress
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direct compressive stress
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ultimate shear stress
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effective stress
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| 5. | The frictional resistance offered by sand is ? | |
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sliding friction
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rolling friction
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resistance due to interlocking
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all of these
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| 6. | Which of the following statement is correct ? | |
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The flow lines are perpendicular to equipotential lines
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No two flow lines or equipotential lines start from the same point
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No two flow lines cross each other
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all of the above
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| 7. | The plastic limit exists in ? | |
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sandy soils
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gravel soils
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silty soils
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silty soils
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| 8. | The average velocity of flow that will take place through the total cross-sectional area of soil under unit hydraulic gradient is called ? | |
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uniformity coefficient
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Darcy's coefficient
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coefficient of permeability
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terminal velocity
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| 9. | The shear strength of a soil ? | |
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is proportional to the cohesion of the soil
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is proportional to the tangent of the angle of internal friction
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increases with the increase in normal stress of soil
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all of the above
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| 10. | The maximum size of the particles of clay is about ? | |
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0.0002 mm
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0.002 mm
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0.02 mm
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0.2 mm
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