Q. For CBR test, the specimens are submerged in water for 4 days before testing.

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Q. In general, the CBR values of 2.5mm penetration are smaller than 5mm penetration.

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Q. A base under rigid pavements is used for the ___________

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Q. When load is applied on rigid pavement, it deforms in a _______

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Q. The radius of relative stiffness is given by the characteristic equation of _______

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Q. If P is the vertical relation and ρ is the vertical deflection, then the modulus of sub-grade reaction is _______

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Q. A base course enables the construction to proceed during wet weather on clays and silts.

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Q. The stresses in rigid pavement are due to ________

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Q. The temperature in general at the bottom of the slab is __________

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Q. In a day, the top surface of rigid pavement ______ than the bottom of slab.

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Q. If there is no friction between the slab and the sub-grade, then there are ______ in slab.

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Q. During expansion the under-side of the slab is subjected to _________

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Q. During contraction, _________ are induced in the under-side of the slab.

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Q. The critical stress condition in slab is when _________

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Q. The critical stress condition in slab occurs when __________

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Q. The critical stress condition in slab occurs when __________

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Q. During the clear, cool night followed by a hot sunny day, the edges and corners of slab will ____________

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Q. The base course in rigid pavement provides drainage.

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