Pick up the correct statement from the following: (A) The phenomenon of quicksand generally occurs in the cohesionless soil (B) At critical hydraulic gradient, the saturated sand becomes quick (C) The critical gradient depends on the void ratio and the specific gravity (D) All the above

Pick up the correct statement from the following:
(A) The phenomenon of quicksand generally occurs in the cohesionless soil
(B) At critical hydraulic gradient, the saturated sand becomes quick
(C) The critical gradient depends on the void ratio and the specific gravity
(D) All the above
by

1 Answer

Answer :

(D) All the above
by

Related questions

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

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

The critical exist gradient of seepage water in soils, increases with (A) An increase in specific gravity (B) A decrease in specific gravity (C) A decrease in void ratio (D) Both (a) and (c)

Description : The critical exist gradient of seepage water in soils, increases with (A) An increase in specific gravity (B) A decrease in specific gravity (C) A decrease in void ratio (D) Both (a) and (c)

Last Answer : Answer: Option D

If the unit weight of sand particles is 2.696 g/cc. and porosity in loose state is 44%, the critical hydraulic gradient for quick sand condition, is (A) 0.91 (B) 0.92 (C) 0.93 (D) 0.95

Description : If the unit weight of sand particles is 2.696 g/cc. and porosity in loose state is 44%, the critical hydraulic gradient for quick sand condition, is (A) 0.91 (B) 0.92 (C) 0.93 (D) 0.95

Last Answer : (D) 0.95

The porosity of a certain soil sample was found to be 80% and its specific gravity was 2:7; the critical hydraulic gradient will be estimated as (a) 0.34 (b) 0.92 (c) 1.0 (d) 1.5

Description : The porosity of a certain soil sample was found to be 80% and its specific gravity was 2:7; the critical hydraulic gradient will be estimated as (a) 0.34 (b) 0.92 (c) 1.0 (d) 1.5

Last Answer : (a) 0.34

When the seepage pressure becomes equal to the pressure due to submerged weight of a soil, the effective pressure is reduced to zero and the soil particles have a tendency to move up in the direction of flow. This phenomenon is generally known (A) Quick condition (B) Boiling condition (C) Quick sand (D) All the above

Description : When the seepage pressure becomes equal to the pressure due to submerged weight of a soil, the effective pressure is reduced to zero and the soil particles have a tendency to move up in the direction of flow. ... known (A) Quick condition (B) Boiling condition (C) Quick sand (D) All the above

Last Answer : Answer: Option D

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

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

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

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

Pick up the correct statement from the following: (A) The volume of underground water extracted by gravity drainage from a saturated soil, is known as yield (B) The ratio of volume drained to the total volume of material drained, is known as specific yield (C) The sum of specific yield and specific retention, is equal to porosity (D) All the above

Description : Pick up the correct statement from the following:  (A) The volume of underground water extracted by gravity drainage from a saturated soil, is  known as yield  (B) The ratio of volume ... ) The sum of specific yield and specific retention, is equal to porosity  (D) All the above

Last Answer : (D) All the above

If is specific gravity of sand particles, is porosity, the critically hydraulic gradient (A) ic = (G + 1)/(1 - e) (B) ic = (G + 1)/(1 + e) (C) ic = (G - 1)/(1 + e) (D) ic = (G - 1)/(1 - e)

Description : If is specific gravity of sand particles, is porosity, the critically hydraulic gradient (A) ic = (G + 1)/(1 - e) (B) ic = (G + 1)/(1 + e) (C) ic = (G - 1)/(1 + e) (D) ic = (G - 1)/(1 - e)

Last Answer : Answer: Option C

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) The on-shore wind helps to produce wave action as well as rise of M.S.L. (C) A falling hydraulic gradient occurs in the direction of the wave (D) The wave while receding carries finer particles out to deep water

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

Last Answer : (C) A falling hydraulic gradient occurs in the direction of the wave

Quicksand is a) Moist sand containing a small percentage of clay b) Is a condition which generally occurs in coarse sands c) Is a condition in which cohesive properties of soil increase rapidly d) Is a condition in which a cohesion less soil loses its strength because of upward flow of water

Description : Quicksand is a) Moist sand containing a small percentage of clay b) Is a condition which generally occurs in coarse sands c) Is a condition in which cohesive properties of soil increase rapidly d) Is a condition in which a cohesion less soil loses its strength because of upward flow of water

Last Answer : d) Is a condition in which a cohesion less soil loses its strength because of upward flow of water

PROBLEM FA sample of soft saturated clay weighs 350 grams and has a volume of 205cc. After oven drying, the soil weighs 225 grams. Calculate the values of saturated unit weight, void ratio, porosity and specific gravity?

Description : PROBLEM FA sample of soft saturated clay weighs 350 grams and has a volume of 205cc. After oven drying, the soil weighs 225 grams. Calculate the values of saturated unit weight, void ratio, porosity and specific gravity?

Last Answer : {

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

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

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)

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

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

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

The ratio of the weight of given volume of soil solids to the weight of an equal volume of distilled water at the given temperature, is known (A) Porosity (B) Specific gravity (C) Void ratio (D) Water content

Description : The ratio of the weight of given volume of soil solids to the weight of an equal volume of distilled water at the given temperature, is known (A) Porosity (B) Specific gravity (C) Void ratio (D) Water content

Last Answer : (B) Specific gravity

Degree of saturation of a natural soil deposit having water content 15%, specific gravity 2.50 and void ratio 0.5, is (A) 50 % (B) 60 % (C) 75 % (D) 80 %

Description : Degree of saturation of a natural soil deposit having water content 15%, specific gravity 2.50 and void ratio 0.5, is (A) 50 % (B) 60 % (C) 75 % (D) 80 %

Last Answer : (C) 75 %

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

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

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

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

A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is (A) 0.55 (B) 0.60 (C) 0.65 (D) 0.70

Description : A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is (A) 0.55 (B) 0.60 (C) 0.65 (D) 0.70

Last Answer : Answer: Option B

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

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

Last Answer : Option C

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

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

Last Answer : Answer: Option D

The natural water content of the soil sample was found to be 40%, specific gravity is 2.7 and void ratio 1.2; then the degree of saturation of the soil will be (a) 100% (b) 69% (c) 87% (d) 90%

Description : The natural water content of the soil sample was found to be 40%, specific gravity is 2.7 and void ratio 1.2; then the degree of saturation of the soil will be (a) 100% (b) 69% (c) 87% (d) 90%

Last Answer : (d) 90%

Pick up the correct statement from the following regarding the pressure conduits: (A) Pressure conduits are permitted to run ¾th full (B) Pressure conduits are always laid along down grades (C) The hydraulic gradient line always coincides the invert of the conduit (D) None of these

Description : Pick up the correct statement from the following regarding the pressure conduits:  (A) Pressure conduits are permitted to run ¾th full  (B) Pressure conduits are always laid along down grades  ... ) The hydraulic gradient line always coincides the invert of the conduit  (D) None of these

Last Answer : (D) None of these

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 unit weight of the soil (C) The dry density of a soil is defined as weight of solids to the total volume of the soil (D) All the above

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

When a cohesionless soil attains quick condition, it looses (A) Shear strength (B) Bearing capacity (C) Both (a) and (b) (D) Neither (a) nor (6

Description : When a cohesionless soil attains quick condition, it looses (A) Shear strength (B) Bearing capacity (C) Both (a) and (b) (D) Neither (a) nor (6

Last Answer : Answer: Option C

Cohesionless soil is (A) Sand (B) Silt (C) Clay (D) Clay and silt

Description : Cohesionless soil is (A) Sand (B) Silt (C) Clay (D) Clay and silt

Last Answer : (A) Sand

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

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

Pick up the correct statement from the following: (A) Quick lime is obtained by burning pure lime stone (B) Hydraulic lime is obtained by burning lime stone containing clay 5% to 30% (C) Poor lime is obtained by burning lime stone containing impurities more than 5% (D) All the above

Description : Pick up the correct statement from the following: (A) Quick lime is obtained by burning pure lime stone (B) Hydraulic lime is obtained by burning lime stone containing clay 5% to 30% (C) Poor lime is obtained by burning lime stone containing impurities more than 5% (D) All the above

Last Answer : Answer: Option D

Pickup the incorrect statement from the following: (A) The invert of pressure conduit is independent of the grade of the hydraulic gradient line (B) The pressure conduits may be taken uphill upto a maximum height of 8.3 m (C) Aqueducts and tunnels sections are generally kept circular (D) None of these

Description : Pickup the incorrect statement from the following:  (A) The invert of pressure conduit is independent of the grade of the hydraulic gradient line  (B) The pressure conduits may be taken uphill ... m  (C) Aqueducts and tunnels sections are generally kept circular  (D) None of these 

Last Answer : (D) None of these 

Pick up the incorrect statement from the following: (A) The rate of flow of water through a unit cross-sectional area under a unit hydraulic gradient, is called coefficient of permeability (B) The rate of flow of water through a vertical strip of the aquifer of unit width and full depth under a unit hydraulic gradient, is called coefficient of transmissibility (C) The flow of water through aquifers, is governed by the Darcy's law (D) The term 'transmissibility' was introduced by Meinzer

Description : Pick up the incorrect statement from the following: (A) The rate of flow of water through a unit cross-sectional area under a unit hydraulic gradient, is called coefficient of permeability (B) ... aquifers, is governed by the Darcy's law (D) The term 'transmissibility' was introduced by Meinzer

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Bulking of sand is caused due to formation of a thin film of surface moisture (B) Fine sand bulks more than coarse sand (C) The volume of fully saturated sand, is equal to the volume of dry and loose sand (D) All the above

Description : Pick up the correct statement from the following: (A) Bulking of sand is caused due to formation of a thin film of surface moisture (B) Fine sand bulks more than coarse sand (C) The volume of fully saturated sand, is equal to the volume of dry and loose sand (D) All the above

Last Answer : Answer: Option D

A fundamental equation of void ratio (e), specific gravity (G), water content and degree of saturation (Sr ) is (A) e = /Sr(B) = eG/Sr(C) G = /S(D) Sr = /G

Description : A fundamental equation of void ratio (e), specific gravity (G), water content and degree of saturation (Sr ) is (A) e = /Sr (B) = eG/Sr (C) G = /S (D) Sr = /G

Last Answer : (A) e = /Sr

The general relationship between specific gravity (G), weight of water ( ), degree of saturation (Sr ), void ratio (e) and bulk density ( ), is (A) = (S - eSr ) /(1 + e) (B) = (G + eSr ) /(1 + e) (C) = (1 + e) /(G + Sr ) (D) = (1 - Sr ) e/(G + Sr )

Description : The general relationship between specific gravity (G), weight of water ( ), degree of saturation (Sr ), void ratio (e) and bulk density ( ), is (A) = (S - eSr ) /(1 + e) (B) = (G + eSr ) /(1 + e) (C) = (1 + e) /(G + Sr ) (D) = (1 - Sr ) e/(G + Sr )

Last Answer : (B) = (G + eSr ) /(1 + e)

A critical hydraulic gradient may occur when (A) Flow is in upward direction (B) Seepage pressure is in upward direction (C) Effective pressure is zero (D) All the above

Description : A critical hydraulic gradient may occur when (A) Flow is in upward direction (B) Seepage pressure is in upward direction (C) Effective pressure is zero (D) All the above

Last Answer : Answer: Option D

Gravity conduits (A) Carry water under gravity (B) Follow the hydraulic gradient line (C) Are carried through tunnels in deep cuttings (D) All the above

Description : Gravity conduits  (A) Carry water under gravity  (B) Follow the hydraulic gradient line  (C) Are carried through tunnels in deep cuttings  (D) All the above

Last Answer : (D) All the above

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 density relation for soil containing a constant percentage of air voids, is known as air void line (C) The free fall of hammer for compaction is 30.5 cm (D) All the above

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

Pick up the correct statement from the following: (A) Air lift pumps are generally used for pumping water from deep wells (B) Jet pumps are generally used for pumping water from small wells (C) The hydraulic ram works on the principle of water hammer (D) All the above

Description : Pick up the correct statement from the following: (A) Air lift pumps are generally used for pumping water from deep wells (B) Jet pumps are generally used for pumping water from small wells (C) The hydraulic ram works on the principle of water hammer (D) All the above

Last Answer : (D) All the above

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 decreases, coefficient of volume change decreases (D) When stress decreases void ratio, coefficients of permeability and volume change decrease

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

Pick up the correct statement from the following: (A) Coefficient of compressibility is the decrease in void ratio per unit increase of pressure (B) The percent settlement at any time is called degree of consolidation (C) Time factor is a dimensionless quantity (D) All the above

Description : Pick up the correct statement from the following: (A) Coefficient of compressibility is the decrease in void ratio per unit increase of pressure (B) The percent settlement at any time is called degree of consolidation (C) Time factor is a dimensionless quantity (D) All the above

Last Answer : Answer: Option D

Two footings, one circular and the other square, are founded on the surface of a purely cohesionless soil. The diameter of the circular footing is the same as that of the side of the square footing. The ratio between their ultimate bearing capacities will be : (a) 1.0 (b) 1.3 (c) 1.33 (d) 0.75

Description : Two footings, one circular and the other square, are founded on the surface of a purely cohesionless soil. The diameter of the circular footing is the same as that of the side of the square footing. The ratio between their ultimate bearing capacities will be : (a) 1.0 (b) 1.3 (c) 1.33 (d) 0.75

Last Answer : (d) 0.75

The intensity of active earth pressure at a depth of 10 metres in dry cohesionless sand with an angle of internal friction of 30° and with a weight of 1.8 t/m3 , is (A) 4 t/m2 (B) 5 t/m2 (C) 6 t/m2 (D) 7 t/m2

Description : The intensity of active earth pressure at a depth of 10 metres in dry cohesionless sand with an angle of internal friction of 30° and with a weight of 1.8 t/m3 , is (A) 4 t/m2 (B) 5 t/m2 (C) 6 t/m2 (D) 7 t/m2

Last Answer : Answer: Option C

A sample of saturated soil has 30% water content and the specific gravity of soil grains is 2.6. The dry density of the soil mass in g/cm3 , is (A) 1.47 (B) 1.82 (C) 1.91 (D) None of these

Description : A sample of saturated soil has 30% water content and the specific gravity of soil grains is 2.6. The dry density of the soil mass in g/cm3 , is (A) 1.47 (B) 1.82 (C) 1.91 (D) None of these

Last Answer : (D) None of these

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

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

Last Answer : Answer: Option C

The ratio of the difference between the void ratio of the soil in its loosest state and its natural void ratio (e) to the difference between the void ratios in the loosest and fully dense state, is generally termed as (A) Degree of density (B) Relativity (C) Density index (D) All the above

Description : The ratio of the difference between the void ratio of the soil in its loosest state and its natural void ratio (e) to the difference between the void ratios in the loosest and fully dense state, is generally termed as (A) Degree of density (B) Relativity (C) Density index (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) The direction of the littoral drift depends upon the direction of the wave with respect to the coastline (B) The direction of a river opening to the sea determines the direction of no littoral drift (C) Harbour in the path of littoral drift is not constructed to avoid a build up of sand on one side and erosion on the other (D) all of the above

Description : Pick up the correct statement from the following: (A) The direction of the littoral drift depends upon the direction of the wave with respect to the coastline (B) The direction of a river opening to the sea ... avoid a build up of sand on one side and erosion on the other (D) all of the above

Last Answer : (D) all of the above

Pick up the correct statement from the following: (A) Water enables chemical reaction to take place with cement (B) Water lubricates the mixture of gravel, sand and cement (C) Strength of concrete structure largely depends upon its workability (D) All the above

Description : Pick up the correct statement from the following: (A) Water enables chemical reaction to take place with cement (B) Water lubricates the mixture of gravel, sand and cement (C) Strength of concrete structure largely depends upon its workability (D) All the above

Last Answer : (D) All the above

Consider the following statements: 1. Standard penetration test is commonly used for cohesionless soils. 2. Standard penetration test results in respect of a cohesionless soil are correlated to its density index and friction angle. 3. Use of H-value not corrected for overburden pressure leads to highly conservative design of footings at shallow depths. Which of these statements are correct? (a) 1, 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Description : Consider the following statements: 1. Standard penetration test is commonly used for cohesionless soils. 2. Standard penetration test results in respect of a cohesionless soil are correlated to its density index and friction angle. 3. Use of H- ... 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Last Answer : (a) 1, 2 & 3

Cavitation will begin when (A) The pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid (B) Pressure becomes more than critical pressure (C) Flow is increased (D) Pressure is increased

Description : Cavitation will begin when (A) The pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid (B) Pressure becomes more than critical pressure (C) Flow is increased (D) Pressure is increased

Last Answer : Answer: Option A

In a flow net (A) Flow lines and equipotential lines cross each other at right angles (B) Fields are rectangles whose length is twice the breadth (C) Smaller the dimensions of the field, smaller will be the hydraulic gradient and velocity of flow through it (D) For homogeneous soil, the curves are smooth and circular

Description : In a flow net (A) Flow lines and equipotential lines cross each other at right angles (B) Fields are rectangles whose length is twice the breadth (C) Smaller the dimensions of the field, ... gradient and velocity of flow through it (D) For homogeneous soil, the curves are smooth and circular

Last Answer : Option A