Q. Public road administration (PRA) system is based on _____________

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Q. Highway research board (HRB) classification system is also known as__________

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Q. Based on HRB classification system, the soil are divided in to ___________

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Q. The performance of the soil, when used for pavement construction is found out by using _____________

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Q. The group index of a soil depends on ____________

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Q. Group index is defined by which of the equation?

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Q. Unified soil classification system (USCS) was developed by ____________

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Q. The USCS system was used for which of the following purpose during World War 2?

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Q. According to USCS, the fined grained soil are classified on the basis of _____________

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Q. By USCS system, soil are classified in to ___________ Major groups.

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Q. A soil is considered as coarse grained, if it retains more than ___________ in a sieve.

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Q. Coarse grained soils, containing fines between 5-12%, are designated by ___________ Symbol.

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Q. Fine grained soil are sub divided in to ___________

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Q. Fine grained soil are subdivided based on ___________

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Q. Coarse grained soil is sub-divided in to _______________

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Q. In Casagrande’s plasticity chart, the numbers in the chart denotes ____________

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Q. The Indian standard soil classification system, (ISCS) was first developed in ___________

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Q. According to ISCS, fine grained soils are subdivided in to ___________

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Q. The ISCS classifies the soil in to __________

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Q. Laboratory classification of fined grained soil is done with the help of ________

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