Effective stress on soil
(A) Increases voids ratio and decreases permeability
(B) Increases both voids ratio and permeability
(C) Decreases both voids ratio and permeability
(D) Decreases voids ratio and increases permeability

1 Answer

Answer :

Answer: Option C

Related questions

Description : The ultimate consolidation settlement of a structure resting on a soil (A) Decreases with the increase in the initial voids ratio (B) Decreases with the decrease in the plastic limit (C) Increases ... increase in the initial voids ratio (D) Increases with the decrease in the porosity of the soil

Last Answer : Answer: Option A

Description : In a deposit of normally consolidated clay (A) Effective stress increases with depth but water content of soil and undrained strength decrease with depth (B) Effective stress and water ... decreases with depth (D) Effective stress, water content and undrained strength decrease with depth

Last Answer : C) Effective stress and undrained strength increase with depth but water content decreases with depth

Description : Pick up the correct statement from the following: (A) When stress decreases, void, ratio decreases (B) When stress decreases, coefficient of permeability decreases (C) When stress ... change decreases (D) When stress decreases void ratio, coefficients of permeability and volume change decrease

Last Answer : Answer: Option D

Description : The consolidation time for soils (A) Increases with increasing compressibility (B) Decreases with increasing permeability (C) Increases rapidly with increasing size of soil mass (D) All the above

Last Answer : Answer: Option D

Description : Consider the following statements: 1. Consolidation time increase with increasing compressibility 2. Consolidation time decreases with increasing permeability. 3. Consolidation time is dependent on the magnitude of stress increase. Which of these ... (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Last Answer : (b) 1 & 2 only

Description : Consider the following statements: 1. Organic matter decreases the permeability of a soil. 2. Entrapped air decreases the permeability of a soil. Which of these statements are correct? (a) 1 only (b) 2 only (c) Both 1 &2 (d) Neither 1 nor 2

Last Answer : (c) Both 1 &2

Description : Due to a rise in temperature, the viscosity and the unit weight of the percolating fluid are reduced to 60% and 90% respectively. If other things remain constant, the coefficient of permeability (A) Increases by 25 % (B) Increases by 50 % (C) Increases by 33.3 % (D) Decreases by 33.3 %

Last Answer : (B) Increases by 50 %

Description : In soils having same values of plasticity index, if liquid limit is increased, then (A) Compressibility and permeability decrease and dry strength increases (B) Compressibility, ... permeability and dry strength increase (D) Compressibility and permeability increase and dry strength decreases

Last Answer : Answer: Option D

Description : Voids ratio of a soil mass can (A) Never be greater than unity (B) Be zero (C) Take any value greater than zero (D) Take values between 0 and 1 only

Last Answer : (C) Take any value greater than zero

Description : The ultimate consolidation settlement of a soil is (A) Directly proportional to the voids ratio (B) Directly proportional to the compression index (C) Inversely proportional to the compression index (D) None of the above

Last Answer : (B) Directly proportional to the compression index

Description : A coarse-grained soil has a voids ratio 0.75, and specific gravity as 2.75. The critical gradient at which quick sand condition occurs, is (A) 0.25 (B) 0.50 (C) 0.75 (D) 1.00

Last Answer : (D) 1.00

Description : The ratio of the volume of voids to the volume of soil solids in a given soil mass, is known (A) Porosity (B) Specific gravity (C) Void ratio (D) Water content

Last Answer : (C) Void ratio

Description : The ratio of volume of voids to the total volume of soil mass is called (A) Air content (B) Porosity (C) Percentage air voids (D) Voids ratio

Last Answer : (B) Porosity

Description : If the volume of voids is equal to the volume of solids in a soil mass, then the values of porosity and voids ratio respectively are (A) 1.0 and 0.0 (B) 0.0 and 1.0 (C) 0.5 and 1.0 (D) 1.0 and 0.5

Last Answer : (C) 0.5 and 1.0

Description : The ratio of the volume of voids to the total volume of the given soil mass, is known (A) Porosity (B) Specific gravity (C) Void ratio (D) Water content

Last Answer : (A) Porosity

Description : The ratio of the volume of water present in a given soil mass to the total volume of its voids, is known (A) Porosity (B) Void ratio (C) Percentage voids (D) Degree of saturation

Last Answer : Answer: Option D

Description : The water content of soil is defined as the ratio of (A) Volume of water to volume of given soil (B) Volume of water to volume of voids in soil (C) Weight of water to weight of air in voids (D) Weight of water to weight of solids of given mass of soil

Last Answer : Answer: Option D

Description : If voids ratio is 0.67, water content is 0.188 and specific gravity is 2.68, the degree of saturation of the soil, is (A) 25 % (B) 40 % (C) 60 % (D) 75 %

Last Answer : Answer: Option D

Description : the water content of a fully saturated soil mass is 100%, then the voids ratio of the sample is (A) Less than specific gravity of soil (B) Equal to specific gravity of soil (C) Greater than specific gravity of soil (D) Independent of specific gravity of soil

Last Answer : Answer: Option B

Description : Pick up the correct statement from the following: (A) The void ratio in soils is defined as the ratio of the volume of voids to the volume of solids (B) The bulk density of a soil is defined as the ... of a soil is defined as weight of solids to the total volume of the soil (D) All the above

Last Answer : Answer: Option D

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 : Pick up the correct statement from the following: (A) The ratio of total volume of voids in soil aggregates to the total volume of aggregate, is called Porosity (B) Water retained by the interstices ... (C) Sum of the percentage of specific yield and specific retention is 100 (D) All the above

Last Answer : Answer: Option D

Description : Critical shear stress of cohesive sediment (a) Decreases with the void ratio for a given plasticity index (b) Increases with the plasticity index for a given void ratio (c) Increases with shear strength for a given clay content (d) All of the above.

Last Answer : (c) Increases with shear strength for a given clay content

Description : Pick up the incorrect statement from the following: (A) Compaction has no effect on the structure of a soil (B) Permeability decreases with increase in the dry density of a compacted soil (C) ... a dry side compacted soil (D) Dry side compaction soils swell more when given access to moisture

Last Answer : (A) Compaction has no effect on the structure of a soil

Description : Pick up the correct statement from the following: (A) The permeability of the coarse-grained soils may be reduced by grouting (B) The process of injecting fluids (i.e. grouts) into the pores space of the soil is called grouting (C) The grouting increases the soil strength (D) All the above

Last Answer : Answer: Option D

Description : Coefficient of permeability of soil (A) Does not depend upon temperature (B) Increases with the increase in temperature (C) Increases with the decrease in temperature (D) None of the above

Last Answer : Answer: Option B

Description : Pick up the correct statement from the following: (A) Continuous grading is not necessary for obtaining a minimum of air voids (B) The omission of a certain size of aggregate is shown by ... in concrete increases the workability but also increases the liability to segregation (D) All the above

Last Answer : Answer: Option D

Description : A concrete mass containing 5% of voids [ A ] Increases its strength by 30% [ B ] Reduces its strength by 30% [ C ] Increases its strength by 5% [ D ] Reduces its strength by 5%

Last Answer : [ B ] Reduces its strength by 30%

Description : For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. (A) Increases (B) Decreases (C) Remain same (D) Either (A) or (B); depends on the gas

Last Answer : (A) Increases

Description : The maximum dry density to which a soil may be compacted to depends upon a) Soil water content * b) The process of compaction c) The voids ratio d) Is independent of the type of soil

Last Answer : a) Soil water content *

Description : The ratio of volume of water present in a given soil sample to the total volume of voids in it is known as a) Percentage of air voids b) Degree of saturation * c) Void rat

Last Answer : b) Degree of saturation *

Description : Define water content and voids ratio of soil.

Last Answer : Water content- It is the ratio of weight of water to weight of soil soilds which is measured in percentage called as water content.  Voids ratio – It is the ratio of volume of voids to volume of solids called as voids ratio.

Description : Pick up the correct statement from the following: (A) O.M.C. refers to the moisture corresponding to the maximum point on the moisture content dry density curve (B) The line which shows moisture content dry ... void line (C) The free fall of hammer for compaction is 30.5 cm (D) All the above

Last Answer : (D) All the above

Description : Compression of soil occurs rapidly if voids are filled with (A) Air (B) Water (C) Partly with air and partly with water (D) None of these

Last Answer : Answer: Option A

Description : Pick up the correct statement from the following: (A) The void space between the soil grains, is filled partly with air and partly with water (B) In perfectly saturated soil, the voids are completely filled with water (C) In dry soil, the voids are completely filled with air (D) All the above

Last Answer : Answer: Option D

Description : The reduction in volume of soil due to squeezing out of water from the voids, is termed (A) Primary consolidation (B) Primary compression (C) Primary time effect (D) All the above

Last Answer : Answer: Option D

Description : If the specific gravity and voids in soil sample are G and e respectively, the hydraulic gradient i, is (A) (G - 1)/(1 + e) (B) (G + 1)/(1 - e) (C) (1 - G)/(1 + e) (D) (1 + G)/(1 + e)

Last Answer : Answer: Option A

Description : If the voids of a soil mass are full of air only, the soil is termed as (A) Air entrained soil (B) Partially saturated soil (C) Dry soil (D) Dehydrated soil

Last Answer : Option C

Description : Infiltration capacity of soil depends upon (A) Number of voids present in the soil (B) Shape and size of soil particles (C) Arrangement of soil particles (D) All the above

Last Answer : Answer: Option D

Description : The critical exist gradient of seepage water in soils, is (A) Directly proportional to the voids ratio (B) Inversely proportional to the specific gravity (C) Directly proportional to the specific gravity (D) None of these

Last Answer : (D) None of these

Description : The hydraulic head that would produce a quick condition in a sand stratum of thickness 1.5 m, specific gravity 2.67 and voids ratio 0.67 is equal to (A) 1.0 m (B) 1.5 m (C) 2.0 m (D) 3 m

Last Answer : (B) 1.5 m

Description : A pycnometer is used to determine (A) Water content and voids ratio (B) Specific gravity and dry density (C) Water content and specific gravity (D) Voids ratio and dry density

Last Answer : (C) Water content and specific gravity

Description : A pycnometer is used to determine (A) Voids ratio (B) Dry density (C) Water content (D) Density index

Last Answer : (C) Water content

Description : The ratio of volume of air voids to the volume of total voids, is known as (A) Air content (B) Percentage air voids (C) Percentage voids (D) Porosity

Last Answer : Answer: Option A

Description : The allowable shear stress in stiffened webs of mild steel beams decreases with (a) Decrease in the spacing of the stiffeners (b) Increase in the spacing of the stiffeners (c) Decrease in the effective depth (d) Increase in the effective depth

Last Answer : (b) Increase in the spacing of the stiffeners

Description : As the elastic limit reaches, tensile strain (A) Increases more rapidly (B) Decreases more rapidly (C) Increases in proportion to the stress (D) Decreases in proportion to the stress

Last Answer : (A) Increases more rapidly

Description : Presence of tail water in a gravity dam (i) Increases the principal stress (ii) Decreases the principal stress (iii) Increases the shear stress (iv) Decreases the shear stress The correct answer is A) (i) and (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv)

Last Answer : Answer: Option D

Description : The entrained air in concrete (A) Increases workability (B) Decreases workability (C) Decreases resistance to weathering (D) Increases stress

Last Answer : Answer: Option A

Description : Shear strength of a soil is a unique function of (A) Effective stress only (B) Total stress only (C) Both effective stress and total stress (D) None of the above

Last Answer : Answer: Option A

Description : The shear strength of a soil (A) Is directly proportional to the angle of internal friction of the soil (B) Is inversely proportional to the angle of internal friction of the soil (C) Decreases with increase in normal stress (D) Decreases with decrease in normal stress

Last Answer : Answer: Option D