Q. The height of the free fall in sample in standard penetration test is ___________

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Q. The sampler is driven through ____________ as seating drive.

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Q. The penetration resistance is driving the sampler __________

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Q. Refusal of standard penetration test occurs when the sampler penetrates ________

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Q. In the electrical resistivity method, the unit of resistivity is ohms-cm.

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Q. Every soil has same resistivity.

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Q. The angle of internal friction for fines greater than 5% is ___________

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Q. The angle of internal friction for fines lesser than 5% is ___________

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Q. In Dutch cone test, the base of cone is ____________ cm in diameter.

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Q. In Dutch cone test, the angle of vector of cone is ____

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Q. To know the cone resistance, it is first forced down to _________ depth.

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Q. In Dutch cone test, the cone along with mantle is further penetrated after 8cm to a depth of ________

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Q. The cone test is very useful in __________

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Q. The cone resistance is approximately equal to ______ times the penetration resistance N.

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Q. In Seismic refraction method, the radiating shock waves are picked up by ______

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Q. In a blind zone, the geophone cannot detect the seisdmic refraction.

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Q. When deeper layers have increasingly greater density, the seismic refraction method is fast.

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Q. The equivalent penetration resistance is given by ___________

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Q. If σ’ is the effective overburden pressure, then the effective penetration resistance is given by _____________

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Q. The essential feature of reinforced earth is that __________ develops between compacted layer of earth and reinforcing elements.

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