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ESE 2018 Civil Engineering: Action Quiz 7

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Question 1


The virgin compression curve with axes adopted as per convention in this regard for a clay soil is shown in the figure. The compression index of the soil is

Question 2

The ratio of dry unit weight to unit weight of water represents

Question 3

Proctor’s compaction test for the maximum dry density of a certain soil gave the results as: 1.77 gm/cc and OMC 14.44%. The specific gravity of the clay soil grain was 2.66. What was the saturation degree for this soil?

Question 4

Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:
Statement (I): Multistage centrifugal pumps are used to produce very high delivery heads.
Statement (II): Roto-dynamic pumps must have to be centrifugal rather than centripetal, from the very basic principles of hydrodynamics. Also, the stages are in series.

Question 5

Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:
Statement (I): The possibility of quicksand’ condition occurring is more on the downstream of a weir on a permeable foundation than on the upstream’ end with an upward component of seepage velocity.
Statement (II): Seepage lines end with an upward component of seepage velocity at the downstream reaches of such a weir.
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Jan 21ESE & GATE CE