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Test: Specific Surface


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10 Questions MCQ Test Soil Mechanics | Test: Specific Surface

Test: Specific Surface for Civil Engineering (CE) 2022 is part of Soil Mechanics preparation. The Test: Specific Surface questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Specific Surface MCQs are made for Civil Engineering (CE) 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Specific Surface below.
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Test: Specific Surface - Question 1

Specific surface is termed as__________

Detailed Solution for Test: Specific Surface - Question 1

Specific surface is usually defined as the total surface area of the soil particle in a unit mass.

Test: Specific Surface - Question 2

Specific surface of the soil particle increase very rapidly ,as the grain size____________

Detailed Solution for Test: Specific Surface - Question 2

The subdivision of a mass yields greater surface area, than the same mass itself. Specific surface of a mass increases as the grain size decreases.

Test: Specific Surface - Question 3

A factor, which is important for the magnitude of specific surface of soil particles is__________

Detailed Solution for Test: Specific Surface - Question 3

Specific surface varies for different shapes of particle having the same mass. Hence grain shape is important factor for determining specific surface.

Test: Specific Surface - Question 4

The specific surface of a soil particle will be___________

Detailed Solution for Test: Specific Surface - Question 4

The electrical force responsible for inter-particle effect is proportional to the specific surface.

Test: Specific Surface - Question 5

The harmonic diameter, can be found out by using__________

Detailed Solution for Test: Specific Surface - Question 5

The harmonic diameter DH can be found by using kozney’s method using the formula
F=6/ρs×1/Dn.

Test: Specific Surface - Question 6

Specific surface of a soil is related with__________

Detailed Solution for Test: Specific Surface - Question 6

As specific surface is associated with surface characteristics of a particle, therefore it is related with physical properties.

Test: Specific Surface - Question 7

Microscopic soil particles have a very___________

Detailed Solution for Test: Specific Surface - Question 7

As the specific surface increases as the size of the grain decreases .Therefore Microscopic particles have a large specific surface.

Test: Specific Surface - Question 8

specific surface(SS) can also expressed as________

Detailed Solution for Test: Specific Surface - Question 8

From the expression, specific surface = surface area of particle/volume of particle ,it can be seen that specific surface is the surface area of a particle.

Test: Specific Surface - Question 9

Permeability of the soil depends on__________

Detailed Solution for Test: Specific Surface - Question 9

Permeability of soil greatly depends on specific surface of the soil because of the viscous effects associated with surface characteristics of the grains.

Test: Specific Surface - Question 10

Chemical activity of a clay mineral depends on__________

Detailed Solution for Test: Specific Surface - Question 10

The chemical activity of the clay mineral depends upon the surface area, because of the electrical charge of clay minerals is high per unit mass.

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