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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Q. ______ is developed in reinforcement.

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Q. The modern form of application of reinforced earth was first developed by _____

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Q. The reinforcement members are used to provide _______ in earth mass where _____ are produced.

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Q. In reinforcing elements, galvanised steel strips of _________ width and ____ thickness are used commonly.

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Q. In general from the data on galvanised steel, it has a service life of _____ in soil.

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Q. The soil used in the backfill should have particles of not more than _____ passing 63 μm sieve.

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Q. The wall facing element is also known as _______

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Q. In general, the reinforced earth structures are ________

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Q. The reinforced earth structures can be transported easily.

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Q. In design of reinforced earth wall, the Rankine’s earth pressure is valid.

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Q. By the use of reinforcing elements in earth __________

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