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Objective Question & Answer

QUESTION

Objective Question

Q.1

What is the value of coefficient of permeability for coarse gravel? 

मोटे बजरी (coarse gravel) के लिए पारगम्यता गुणांक (coefficient of permeability) का मान क्या है?
A
Greater than 100 mm/s
B
Greater than 10 mm/s 
C
Greater than 1 mm/s 
D
Greater than 0.1 mm/s 
Answer ( Option A)

Greater than 100 mm/s

Solution

Soil type 

Coefficient of permeability cm/sec 

Clean gravel 

1.0 and greater 

Clean sand (coarse) 

1.0 - 0.01 

Sand (mixture) 

0.01 -0.005

Fine sand

0.05 -0.001 

Silty sand

0.002 -0.0001 

Silt 

0.0005 -0.00001 

Clay 

0.000001 and smaller

So coefficient of permeability for coarse gravel is Greater than 100 mm/s 

इसलिए, मोटे बजरी (coarse gravel) के लिए पारगम्यता गुणांक (coefficient of permeability) 100 mm/s से अधिक होता है।

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