GATE CE Soil Mechanics PYQs & Answers

Questions 1–10 of 103. Imported answers require independent review unless marked reviewed.

The name of a person in Column 1 is to be matched with the test mentioned in Column 2.

Option giving the CORRECT match between Column 1 and Column 2 is:

Your answerChoose one option.

(I) – (Q) ; (II) – (P) ; (III) – (S) ; (IV) – (R)

(I) – (R) ; (II) – (S) ; (III) – (Q) ; (IV) – (P)

(I) – (P) ; (II) – (Q) ; (III) – (S) ; (IV) – (R)

(I) – (R) ; (II) – (S) ; (III) – (P) ; (IV) – (Q)

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Based on the Casagrande’s plasticity chart, plasticity index (in %) of inorganic clays having a liquid limit of 40 %, ranges between

Your answerChoose one option.

18.0 and 28.8

14.6 and 28.8

14.6 and 23.4

18.0 and 43.8

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For a liquid, the permeability of a sandy soil having a void ratio of 0.60 was determined as 0.14 cm/s. Considering the same liquid and by using Taylor’s equation, the permeability (in cm/s) of this soil corresponding to the void ratio of 0.80 is _____ (rounded off to two decimal places).

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To obtain undisturbed clay soil sample, an Area Ratio of 10 % needs to be achieved for a thin walled sampling tube. If the outer diameter of the tube is 50.8 mm, the inner diameter (in mm) is __________________ (rounded off to one decimal place).

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A fully saturated sandy soil deposit has water content 20 % and specific gravity 2.65.

The critical hydraulic gradient for seepage through the soil to create the quicksand condition is __________ (rounded off to two decimal places).

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An infinite slope with slope angle

consists of soil with the following properties:

Unit weight

kN/m

Cohesion

kPa

Angle of internal friction

The critical height of the slope (in m) is _____ (rounded off to two decimal places).

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For a clayey soil stratum, the time required for degree of consolidation from 25 % to 50 % is 30 days.

The total time (in days) required for 90 % degree of consolidation of the same soil stratum is _____ (rounded off to the nearest integer).

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A soil sample has following properties: Natural water content = 30 % Plasticity index = 40 % Liquidity index = 50 % The estimated plastic limit (in %) of the soil is ______ (rounded off to one decimal place).

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The most suitable test for measuring the permeability of clayey soils in the laboratory is _____.

Your answerChoose one option.

Constant head test

Pump out test

Hydrometer test

Falling head test

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The results of a consolidated drained triaxial test on a normally consolidated clay are shown in the figure. The angle of internal friction is

Diagram for Civil Engineering question 17

Your answerChoose one option.

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GATE CE Soil Mechanics PYQs

How to practice Soil Mechanics

Question 18

Question 21

Question 31

Question 32

Question 33

Question 56

Question 56

Question 59

Question 15

Question 17