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Consider the following statements: I. All soils can be identified in the field by visual examination 2. Fine-grained soils can be identified in the field by visual examination and touch. 3. Fine-grained soils can be identified in the field by dilatancy test 4. By visual examination, only coarse-grained soils can be identified Which of the above statements are correct?
Which of the following is a coarse grained igneous rock that contains quartz and feldspar?
The largest size of immobilised segment of dislocation in a Frank Read (FR) source contained in a polycrystalline material is of the order of grain size. In a metal of 10 μm grain size, the shear stress required to operate such a FR source is 100 MPa. If the grain size in the same metal is reduced to 10 μm, the shear stress required to operate such FR source would be . . . . . . . . MPa.
Kamala has three cylindrical containers, each with radius 20 cm that she wants to fill with grain. If her bag of grain contains 100 kg of grain, and she fills all three containers to a height of 70 cm, how much grain will be left in the bag, if 1 kg grain occupies 3000 cm3 space? (Use π = \(\frac{{22}}{7}\))
Igneous rocks are formed from molten rock material. Which one of the following is not an igneous rock?
In order to double its yield strength, the grain size of a steel of ASTM grain size number 2 should be changed to ASTM grain size number (neglect friction stress)
Consider the statement A, B, C on igneous rocks and choose the correct answer. Statement (A): Sedimentary rocks, when subjected to heat and pressure turn into igneous rocks. Statement (B): These rocks are found both on the earth's crust and deep inside the earth's crust. Statement (C): Granite and Basalt are examples of igneous rocks. 
Which of the following statements is/are correct regarding Igneous rocks? 1. Intrusive igneous rocks are formed by the cooling of lava on the earth’s surface. 2. Extrusive igneous rocks are formed when magma solidifies below the earth’s surface.
For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as
Consider the following statements: 1) Secondary consolidation results due to prolonged dissipation of excess hydrostatic pressure 2) Primary consolidation happens under expulsion of both air and water from voids in early stages 3) Initial consolidation in the case of fully saturated soil mainly due to compression of solid particles 4) Primary consolidation happens more quickly in coarse-grained soils than in fine-grained soils Which of the above statements are correct?