ISRO Scientist or Engineer Civil 2015

Instructions

For the following questions answer them individually

Question 41

A cohesive soil yields a maximum dry density of 18 $$\frac{KN}{m^{3}}$$ during a standard Proctor Compaction test. If the specific gravity is 2.65, what would beits void ratio?

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Question 42

Effective stress on soil

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Question 43

The slope of isochrones at any point at a given time indicates the rate of change of

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Question 44

Clay layer A with single drainage and coefficient of consolidation Cv takes 6 months to achieve 50% consolidation. The time to layer B of the same thickness with double drainage and coefficient of consolidation $$\frac{Cv}{2}$$ to achieve the same degree of consolidation

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Question 45

In momentdistribution method, the sum of distribution factors of all the members meeting at any joint is always

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Question 46

To generate the jth column of the flexibility matrix

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Question 47

The deformation of a spring produced by a unit loadis called

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Question 48

For determining the velocity of flow of underground water, the most commonly used non-empirical formula is

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Question 49

An aquicludeis

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Question 50

Slenderness ratio of a compression memberis

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