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Determination of Liquid & Plastic Limit - GATE Civil Soil Mechanics Free


MCQ Practice Test & Solutions: Test: Determination of Liquid & Plastic Limit (10 Questions)

You can prepare effectively for Civil Engineering (CE) Soil Mechanics with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Determination of Liquid & Plastic Limit". These 10 questions have been designed by the experts with the latest curriculum of Civil Engineering (CE) 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 30 minutes
  • - Number of Questions: 10

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Test: Determination of Liquid & Plastic Limit - Question 1

The grooving tool which is used for finding liquid limit is _________

Detailed Solution: Question 1

ASTM tool and casagrande tools are two types of grooving tools are used in determining liquid and plastic limit.

Test: Determination of Liquid & Plastic Limit - Question 2

The type of tools which is preferred for sandy soil for the purpose of grooving is _______

Detailed Solution: Question 2

ASTM tool is used only for more sandy soil, where the Casagrande tool tends to tears the side of the groove.

Test: Determination of Liquid & Plastic Limit - Question 3

The soviet liquid limit device is based on the principle of ___________

Detailed Solution: Question 3

Static cone penetration method is used in operation of soviet liquid limit device.

Test: Determination of Liquid & Plastic Limit - Question 4

The number of revolutions per second, at which the handle is rotated in process of finding the liquid limit is _________

Detailed Solution: Question 4

In liquid limit apparatus, the handle is rotated at a rate of about 2 revolutions per second.

Test: Determination of Liquid & Plastic Limit - Question 5

The plastic index is calculated from the relation ____________

Detailed Solution: Question 5

The plasticity index is given by the formula, IP = WL - WP.

Test: Determination of Liquid & Plastic Limit - Question 6

The shear strength of the soil, at the liquid limit is ________

Test: Determination of Liquid & Plastic Limit - Question 7

The depth of the groove cut by casagrande tool for determining the liquid limit is ______

Detailed Solution: Question 7

The casagrande tools cut a groove of size 11.0 mm wide at the bottom.

Test: Determination of Liquid & Plastic Limit - Question 8

What is the diameter of the sieve that is used for finding the liquid limit?

Detailed Solution: Question 8

425 micron sieve is used as a standard, for filtering the given specimen.

Test: Determination of Liquid & Plastic Limit - Question 9

The toughness index (It) is defined by the ratio of __________

Detailed Solution: Question 9

Toughness index (It) is determined by the ratio of plasticity index to the flow index: It=IP/If.

Test: Determination of Liquid & Plastic Limit - Question 10

The cone which is used to penetrate the soil pat has a central angle of ___________

Detailed Solution: Question 10

The cone has a central angle of 31° since the total sliding mass is 80 g.

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