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Test: Soil Compaction


10 Questions MCQ Test Topicwise Question Bank for GATE Civil Engineering | Test: Soil Compaction


Description
This mock test of Test: Soil Compaction for Civil Engineering (CE) helps you for every Civil Engineering (CE) entrance exam. This contains 10 Multiple Choice Questions for Civil Engineering (CE) Test: Soil Compaction (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Soil Compaction quiz give you a good mix of easy questions and tough questions. Civil Engineering (CE) students definitely take this Test: Soil Compaction exercise for a better result in the exam. You can find other Test: Soil Compaction extra questions, long questions & short questions for Civil Engineering (CE) on EduRev as well by searching above.
QUESTION: 1

Match List-I (Equipment) with List-ll (Purpose) and select the correct answer using the codes given below the lists:
List-l
A. Sheep foot roller
B. Frog hammer
C. Vibratory roller
List-ll
1. To density cohesionless soils to relatively larger depths
2. To compact lumpy cohesive soil fills
3. To compact soils at corners and places which bigger rollers cannot access
4. To compact cohesionless soils of shallow depth

Solution:
QUESTION: 2

Match List-I (Roller type) with List-ll (Soil type) and select the correct answer using the codes given below the lists:
List-I
A. Pneumatic roller
B. Smooth wheeled roller
C. Sheep foot roller
D. Vibratory roller
List-II
1. Cohesive and granular soils
2. Plastic soils of moderate cohesion
3. Cohesionless soils
4. Silty soils of low plasticity

Solution:
QUESTION: 3

When the compactive effort is increased in a standard compaction test, the Optimum Moisture Content (OMC)

Solution:

The effect of increasing the amount of compactive effort is to increase the maximum dry density and to decrease the optimum water content.

QUESTION: 4

Compaction of soil is measured in terms of
Solution:
QUESTION: 5

Vibro floatation techniques is best suited for densifying
Solution:
QUESTION: 6

Given below are methods of compaction:
1. Vibration technique
2. Flooding the soil
3. Sheep foot roller
4. Tandem roller
5. Heavy weights dropped from a height
The methods suitable for cohesionless soils include
Solution:

Cohesionless soils can be compacted by vibration; flooding and dropping heavy weight from height. Kneading and tamping actions provided by sheeps foot roller and tandem roller are not effective for cohesionless soils.

QUESTION: 7

The unit weight of a soil at zero air voids depends on
Solution:

Unit weight at zero air void corresponds to dry density of soil.

∴ it depends on specific gravity, water content and unit weight of water.

QUESTION: 8

An increase in compactive effort will lead to which of the following?​
Solution:

For a given type of compaction, the higher the compactive effort, the higher the maximum dry unit weight and lower the optimum moisture content.

QUESTION: 9

Clayey soils are best compacted by
Solution:
QUESTION: 10

Soil is compacted at which one of the following when a higher compactive effort produces highest increase in dry density?
Solution:

With increase in compactive effort, the optimum moisture content decrease and dry density increases. Thus soil is to be compacted on the dry side of the optimum moisture content of original (lower compactive effort) Proctor curve.

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