Which of the following tests a

choose the correct answer with explanation:

1)Which of the following tests aims to know the extent of the soil’s ability to be a base layer for the road or sub-base layer:

a)California bearing ratio test

b) Soil field density test.

c) Attereberg limits test

d)One – Dimensional Consolidation of Soil test

2)The sides of the drilling shall be reinforced when laying the pipelines :

a)before drilling

b)in the case of large diameters

c)in all cases

d) according to the type of soil and the depth

3)The concrete is compacted with shaking:

a)by pumping air to compact it

b)to expel the air

c)only for concrete with a low drop(low slump test value)

d)only for concrete with a large drop( high slump test value)

4)The following soil can be used for the purpose of filling

a) sand and clay mixture in a ratio of 1: 1

b) sand and clay mixture in a ratio of 1: 2

c) sand and clay mixture in a ratio of 1:3

d) Only coarse sand 

Please kindly answer all????? help me with all answers…. Do not skip any answers please


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