Pick up the incorrect definition from the following:
(A) Ratio of the compressive strength of unconfined undisturbed soil to that of remoulded soil,
is known as the sensitivity of the soil sample
(B) The rotation of soil particles into stable state while remoulding, is known as the thiostropy of
soil
(C) The water content at which a soil flows, is known plastic limit of the soil
(D) None of these

1 Answer

Answer :

Answer: Option D

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Description : Pick up the correct statement from the following: (A) The property of a soil that enables it to become stiff in a relatively short time on standing is called thixotropy (B) The ratio ... the undisturbed shear strength and remoulded shear strength is known remoulding loss (D) All the above

Last Answer : (D) All the above

Description : Sensitivity of a soil can be defined as (A) Percentage of volume change of soil under saturated condition (B) Ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state (C) Ratio of volume of voids to volume of solids (D) None of the above

Last Answer : Answer: Option B

Description : Unconfined compression test it most suitable for determining the : 1. Sensitivity of clays 2. Settlement of embankments 3. ‘Strength’ of partially saturated clay sample 4. ‘Strength’ of fully saturated clay sample (a) 1, 2, 3 and 4 (b) 2 and 3 only (c) 3 and 4 only (d) 1 and 4 only

Last Answer : (d) 1 and 4 only

Description : Pick up the correct statement from the following: (A) In soils, the flow index indicates variation in shear strength with water content (B) Liquid limit minus plastic limit, is known as plasticity ... Plastic limit minus shrinkage limit, is known as shrinkage index of the soil (D) All the above

Last Answer : Answer: Option D

Description : The ratio of the undrained strength in the undrained state to the undrained strength, at the same water content, in the remoulded state, is called the sensivity of the clay. Its value for quick clays is (A) 4 (B) 8 (C) 12 (D) 20

Last Answer : (D) 20

Description : If the natural moisture content, the liquid limit and plastic limit of a soil sample are stated as 30.5%, 42.5% and 22.5% respectively, the ratio of liquidity index and plastic index, is (A) (B) ½ (C) 2 (D) 2½

Last Answer : Answer: Option C

Description : The value of compression index for a remoulded sample whose liquid limit is 50% is (A) 0.028 (B) 0.28 (C) 036 (D) 0.036

Last Answer : (B) 0.28

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Last Answer : Answer: Option A

Description : The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit

Last Answer : (A) Liquid limit

Description : The water content in a soil sample when it continues to loose weight without loosing the volume, is called (A) Shrinkage limit (B) Plastic limit (C) Liquid limit (D) Semi-solid limit

Last Answer : Answer: Option A

Description : Select the incorrect statement. (A) In a direct shear box test, the plane of shear failure is predetermined (B) Better control is achieved on the drainage of the soil in a triaxial compression ... compression test is uniform (D) Unconfined compression test can be carried out on all types of soils

Last Answer : Answer: Option D

Description : A saturated soil sample has water content of 40% and specific gravity of soil particles 2.7. The void ratio of the soil, is (A) 0.4 (B) 0.52 (C) 1.08 (D) None of these

Last Answer : (C) 1.08

Description : Pick up the correct statement from the following: (A) The range of water content between the liquid limit and plastic limit is called plasticity index (B) The ratio of the liquid limit minus ... content minus its plastic limit to its plasticity index is called liquidity index (D) All the above

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Description : The consistency index of a soil is defined as the ratio of (A) Liquid limit plus the natural water content to the plasticity index of the soil (B) Liquid limit minus the natural water content to ... (D) Natural water content of a soil plus its plastic limit to the plasticity index of the soil

Last Answer : Answer: Option B

Description : The ratio of settlement at any time 't' to the final settlement, is known as (A) Co-efficient of consolidation (B) Degree of consolidation (C) Consolidation index (D) Consolidation of undisturbed soil

Last Answer : (B) Degree of consolidation

Description : Consider the following statements: 1. For a saturated soil, Skempton's B-parameter is nearly equal to unity. 2. For an undisturbed sensitive clay, the stress-strain curve shows a peak. 3. Interlocking contributes significantly to the shearing ... 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Last Answer : (a) 1, 2 & 3

Description : Pick up the correct statement from the following: (A) An unconfined compression test is a special case of triaxial compression test (B) An unconfined compression test is a special case of direct ... subjected to major principal stress till it fails due to shearing along the plane of the failure

Last Answer : Option A

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Last Answer : Answer: Option A

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Last Answer : (B) Plastic limit

Description : A soil sample has passing 0.075 mm sieve = 60% liquid limit = 65% and plastic limit = 40%. The group index of the soil, is (A) 5 (B) 20 (C) 40 (D) None of these

Last Answer : (D) None of these

Description : The maximum water content at which a reduction in water content does not cause a decrease in volume of a soil mass, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit

Last Answer : (C) Shrinkage limit

Description : Pick up the correct statement from the following: (A) Perched aquifer is found in unconfined aquifer (B) The top surface of the water held in the perched aquifer, is known as perched water table (C) Perched aquifer is formed in unfined acquirer if an impervious layer exists (D) All the above

Last Answer : Answer: Option D

Description : A compacted soil sample using 10% moisture content has a weight of 200 g and mass unit weight of 2.0 g/cm3 . If the specific gravity of soil particles and water are 2.7 and 1.0, the degree of saturation of the soil is (A) 11.1 % (B) 55.6 % (C) 69.6 % (D) None of these

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Description : A partially saturated sample of soil has a unit weight of 2.0 g/cm3 and specific gravity of soil particles is 2.6. If the moisture content in the soil is 20%, the degree of saturation is (A) 20 % (B) 77 % (C) 92 % (D) None of these

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Last Answer : Answer: Option B

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Last Answer : The colloidal particles are smaller and not heavy. They always remain in a state of zig-zag motion, called Brownian movement, which counters the force of gravity acting on colloidal particles and ... particles of suspension are larger, heavy and have less movement, thus settle down due to gravity.

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Description : Pick up the incorrect statement from the following: (A) As a wave of sea water approaches the coast line, it is generally accompanied by a drift of water in the direction of wave advance (B) ... in the direction of the wave (D) The wave while receding carries finer particles out to deep water

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Last Answer : (d) 0.360 fck . Xu

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Last Answer : Answer: Option C

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Last Answer : Answer: Option B

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Last Answer : (d) 90%

Description : A soil sample of mass specific gravity 1.92 has moisture content 30%. If the specific gravity of solids is 2.75, the void ratio, is (A) 0.858 (B) 0.860 (C) 0.862 (D) 0.864

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Last Answer : Answer: Option D

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Last Answer : Answer: Option D

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Last Answer : (d) Compressive strength based on slenderness ratio and gross cross-sectional area.

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Last Answer : Answer: Option A

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Description : A sample of soil 10 cm height and 50 cm2 in c/s area water flows through the soil under a constant head of 80 cm. Water collected in 9 minutes is 450 C.C. Find the coefficient of permeability. 

Last Answer : Solution: