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PPSC CE Quiz 2

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Question 1

The single grained structure is a characteristic of

Question 2

A 5m thick clay layer underlain by sand is subjected to a surcharge of 25 kN/m2. The water table exists at a depth of 3m from the top and the capillary zone extends to 1m above the water table. Find the effective stress at 2.5m depth from the ground level.
Given G=2.73 and e=0.7 where the symbols have their usual meanings.

Question 3

Effective stress at a point in a soil layer will increase due to:

Question 4

The soil structure, having comparatively loose stable structure is

Question 5

What will be the maximum capillary tension for a tube of 0.15 mm in diameter at 20°C

Question 6

There is a 4m thick sand Layer. The water table is 3m below the top surface. The unit weight of sand above water table is 17 kN/m3. Calculate effective stress at section X-X as shown in figure. Assume a capillary rise of 1 m above the water table.

Take γsat, sand (cap. Saturated) = 20 KN/m3

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