The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing (A) Cohesion and effective angle of shearing resistance (B) Cohesion and effective unit weight of soil (C) Effective unit weight of soil and effective angle of shearing resistance (D) Effective angle of shearing resistance

The rise of water table below the foundation influences the bearing capacity of soil mainly by
reducing
(A) Cohesion and effective angle of shearing resistance
(B) Cohesion and effective unit weight of soil
(C) Effective unit weight of soil and effective angle of shearing resistance
(D) Effective angle of shearing resistance
by

1 Answer

Answer :

Answer: Option B
by

Related questions

Rise of water table in cohesion-less soils upto ground surface reduces the net ultimate bearing capacity approximately by (A) 25 % (B) 50 % (C) 75 % (D) 90 %

Description : Rise of water table in cohesion-less soils upto ground surface reduces the net ultimate bearing capacity approximately by (A) 25 % (B) 50 % (C) 75 % (D) 90 %

Last Answer : (B) 50 %

The side slope of formation in embankment /cutting depends on a) Shearing strength of soil and its angle of repose* b) Angle of repose c) Bearing capacity of the soil d) Optimum moisture content of the soil

Description : The side slope of formation in embankment /cutting depends on a) Shearing strength of soil and its angle of repose* b) Angle of repose c) Bearing capacity of the soil d) Optimum moisture content of the soil

Last Answer : a) Shearing strength of soil and its angle of repose*

Select the incorrect statement. Effective angle of shearing resistance (A) Increases as the size of particles increases (B) Increases as the soil gradation improves (C) Is limited to a maximum value of 45° (D) Is rarely more than 30° for fine grained soil

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Last Answer : (C) Is limited to a maximum value of 45°

Select the incorrect statement. (A) Effective cohesion of a soil can never have a negative value. (B) Effective angle of internal friction for coarse grained soils is rarely below 30°. (C) Effective angle of internal friction for a soil increases as state of compactness increases. (D) Effective angle of internal friction is a complicated function of mineralogy and clay size content.

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Last Answer : Answer: Option A

Terzaghi's bearing capacity factors Nc, Nq and Nr are functions of (A) Cohesion only (B) Angle of internal friction only (C) Both cohesion and angle of internal friction (D) None of the above

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Last Answer : (B) Angle of internal friction only

The shearing strength of a cohesion-less soil depends upon (A) Dry density (B) Rate of loading (C) Confining pressure (D) Nature of loading

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Last Answer : Answer: Option C

The angle between the directions of the failure and the major principal plane, is equal to (A) 90° + effective angle of shearing resistance (B) 90° + half of the angle of shearing resistance (C) 45° - half of the angle of shearing resistance (D) 45° + half of the angle of shearing resistance

Description : The angle between the directions of the failure and the major principal plane, is equal to (A) 90° + effective angle of shearing resistance (B) 90° + half of the angle of shearing resistance (C) 45° - half of the angle of shearing resistance (D) 45° + half of the angle of shearing resistance

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The bearing capacity of a water logged soil can be improved by (A) Compacting the soil (B) Draining the soil (C) Increasing the depth of foundation (D) Grouting

Description : The bearing capacity of a water logged soil can be improved by (A) Compacting the soil (B) Draining the soil (C) Increasing the depth of foundation (D) Grouting

Last Answer : Option B

Allowable bearing pressure for a foundation depends upon (A) Allowable settlement only (B) Ultimate bearing capacity of soil only (C) Both allowable settlement and ultimate bearing capacity (D) None of above

Description : Allowable bearing pressure for a foundation depends upon (A) Allowable settlement only (B) Ultimate bearing capacity of soil only (C) Both allowable settlement and ultimate bearing capacity (D) None of above

Last Answer : (C) Both allowable settlement and ultimate bearing capacity

Raft foundations are used for: (A) Providing increased area of foundation over poor bearing capacity of soil (B) Spanning over small soft or loose pockets (C) Counter acting the hydrostatic effect (D) All the above

Description : Raft foundations are used for: (A) Providing increased area of foundation over poor bearing capacity of soil (B) Spanning over small soft or loose pockets (C) Counter acting the hydrostatic effect (D) All the above

Last Answer : Answer: Option D

Grillage foundation (A) Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity (B) Is light and economical (C) Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth (D) All the above

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Last Answer : Answer: Option D

In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to (A) Increase the depth of foundation (B) Drain the soil (C) Compact the soil (D) Replace the poor soil

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Last Answer : Answer: Option D

A 600 mm square bearing plate settles by 15 mm in plate load test on a cohesion-less soil under an intensity of loading of 0.2 N/ram². The settlement of a prototype shallow footing 1 m square under the same intensity of loading is (A) 15 mm (B) Between 15 mm and 25 mm (C) 25 mm (D) Greater than 25 mm

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Last Answer : Answer: Option B

Scouring will occur as long as a) Frictional resistance at soil tool interface is less than the resistance at parallel soil-soil inter face b) Frictional resistance at soil tool interface is more than the resistance at parallel soil-soil inter face c) Soil-metal friction is more than angle of soil shearing resistance d) None of the above

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Last Answer : a) Frictional resistance at soil tool interface is less than the resistance at parallel soil-soil inter face

If water table is encountered in the standard pit while conducting plate load test (a) The load test should be abandoned (b) The pit is considered unsafe (c) Test should be conducted with complete dewatering continuously throughout the test duration (d) The bearing capacity of soil cannot be determined in this condition

Description : If water table is encountered in the standard pit while conducting plate load test (a) The load test should be abandoned (b) The pit is considered unsafe (c) Test should be conducted ... continuously throughout the test duration (d) The bearing capacity of soil cannot be determined in this condition

Last Answer : (c) Test should be conducted with complete dewatering continuously throughout the test duration

In soils possessing low bearing capacity, the type of foundation generally provided, is (A) Column footing (B) Grillage footing (C) Raft footing (D) All the above

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Last Answer : Option D

Consider the following statements: 1. The benefit of surcharge and depth of foundation is only marginal in case of footings on purely cohesive soils. 2. The bearing capacity of a footing in pure clay increases with increase in size of the footing. 3. Size effects in plate load tests are more important in case of cohesionless soils. Which of these statements are correct? (a) 1, 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

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Last Answer : (d) 1 & 3 only

A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m² when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively (A) 0.5 N/mm² and 30° (B) 0.05 N/mm² and 0° (C) 0.2 N/mm² and 0° (D) 0.05 N/mm² and 45°

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Pick up the incorrect statement from the following: (A) The function of foundation is to distribute the load of super structure over a large bearing area (B) No timbering is required for shallow trenches (C) Shallow foundations can be constructed on made-up soil (D) Black cotton soil is very good for foundation bed

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The shear resistance of a soil is constituted basically of the following component. (A) The frictional resistance to translocation between the individual soil particles at their contact point (B) To the structural relation to displacement of the soil because of the interlocking of the particles (C) Cohesion and adhesion between the surfaces of the soil particles (D) All the above

Description : The shear resistance of a soil is constituted basically of the following component. (A) The frictional resistance to translocation between the individual soil particles at their contact point (B) To the ... (C) Cohesion and adhesion between the surfaces of the soil particles (D) All the above

Last Answer : Answer: Option D

The workability of concrete is defined as the (a) Ease with which it can be mixed, transported and placed in position in a homogeneous state. (b) Bearing up of cohesion in a mass concrete. (c) Separation of water from the freshly mixed concrete. (d) None of these.

Description : The workability of concrete is defined as the (a) Ease with which it can be mixed, transported and placed in position in a homogeneous state. (b) Bearing up of cohesion in a mass concrete. (c) Separation of water from the freshly mixed concrete. (d) None of these.

Last Answer : (a) Ease with which it can be mixed, transported and placed in position in a homogeneous state.

Explain the effect of water table on bearing capacity of soil.

Description : Explain the effect of water table on bearing capacity of soil.

Last Answer : Effect of water table on bearing capacity of soil: i. The rise in water table from below the foundation results in decrease in granular soil. ii. When the water table reaches the ... for bearing capacity calculations. ix. As ground water table rises accordingly bearing capacity of soil decreases.

If the shearing stress is zero on two planes, then the angle between the two planes is (A) 45° (B) 90° (C) 135° (D) 225°

Description : If the shearing stress is zero on two planes, then the angle between the two planes is (A) 45° (B) 90° (C) 135° (D) 225°

Last Answer : Answer: Option B

Disc angle adjustment influences: a. Depth of cut b. width of cut c. Soil break up d. Direction of travel

Description : Disc angle adjustment influences: a. Depth of cut b. width of cut c. Soil break up d. Direction of travel

Last Answer : b. width of cut

Bearing capacity of soils cannot be improved by (A) Draining sub-soil water (B) Ramming crushed stone in soil (C) Driving sand piles (D) Watering surface of soil

Description : Bearing capacity of soils cannot be improved by (A) Draining sub-soil water (B) Ramming crushed stone in soil (C) Driving sand piles (D) Watering surface of soil

Last Answer : Answer: Option D

The bearing capacity of a water logged soil, may be improved by (A) Grouting (B) Chemical action (C) Drainage (D) Compaction

Description : The bearing capacity of a water logged soil, may be improved by (A) Grouting (B) Chemical action (C) Drainage (D) Compaction

Last Answer : Answer: Option C

The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is (A) 51.5 (B) 52.5 (C) 53.5 (D) 54.5

Description : The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is (A) 51.5 (B) 52.5 (C) 53.5 (D) 54.5

Last Answer : Answer: Option C

Which one of the following statements is true? (A) Clays are more porous than sands (B) Pressure of organic matter in a soil decreases the bearing capacity of the soil (C) Aluminous cement is used for foundations in soils with chemical deposits (D) All the above

Description : Which one of the following statements is true? (A) Clays are more porous than sands (B) Pressure of organic matter in a soil decreases the bearing capacity of the soil (C) Aluminous cement is used for foundations in soils with chemical deposits (D) All the above

Last Answer : (D) All the above

The maximum net pressure intensity causing shear failure of soil, is known (A) Safe bearing capacity (B) Net safe bearing capacity (C) Net ultimate bearing capacity (D) Ultimate bearing capacity

Description : The maximum net pressure intensity causing shear failure of soil, is known (A) Safe bearing capacity (B) Net safe bearing capacity (C) Net ultimate bearing capacity (D) Ultimate bearing capacity

Last Answer : (C) Net ultimate bearing capacity

The maximum pressure which a soil can carry without shear failure, is called (A) Safe bearing capacity (B) Net safe bearing capacity (C) Net ultimate bearing capacity (D) Ultimate bearing capacity

Description : The maximum pressure which a soil can carry without shear failure, is called (A) Safe bearing capacity (B) Net safe bearing capacity (C) Net ultimate bearing capacity (D) Ultimate bearing capacity

Last Answer : (A) Safe bearing capacity

In the plate loading test for determining the bearing capacity of soil, the size of square bearing plate should be (A) Less than 300 mm (B) Between 300 mm and 750 mm (C) Between 750 mm and 1 m (D) Greater than 1 m

Description : In the plate loading test for determining the bearing capacity of soil, the size of square bearing plate should be (A) Less than 300 mm (B) Between 300 mm and 750 mm (C) Between 750 mm and 1 m (D) Greater than 1 m

Last Answer : (B) Between 300 mm and 750 mm

Select the incorrect statement. (A) Bearing capacity of a soil depends upon the amount and direction of load (B) Bearing capacity of a soil depends on the type of soil (C) Bearing capacity of a soil depends upon shape and size of footing (D) Bearing capacity of a soil is independent of rate of loading

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Last Answer : Answer: Option A

The ultimate bearing capacity of a soil, is (A) Total load on the bearing area (B) Safe load on the bearing area (C) Load at which soil fails (D) Load at which soil consolidates

Description : The ultimate bearing capacity of a soil, is (A) Total load on the bearing area (B) Safe load on the bearing area (C) Load at which soil fails (D) Load at which soil consolidates

Last Answer : Answer: Option C

For determining the ultimate bearing capacity of soil, the recommended size of a square bearing plate to be used in load plate test should be 30 to 75 cm square with a minimum thickness of (A) 5 mm (B) 10 mm (C) 15 mm (D) 25 mm

Description : For determining the ultimate bearing capacity of soil, the recommended size of a square bearing plate to be used in load plate test should be 30 to 75 cm square with a minimum thickness of (A) 5 mm (B) 10 mm (C) 15 mm (D) 25 mm

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

The bearing capacity of a soil depends upon (A) Size of the particles (B) Shape of the particles (C) Cohesive properties of particles (D) All the above

Description : The bearing capacity of a soil depends upon (A) Size of the particles (B) Shape of the particles (C) Cohesive properties of particles (D) All the above

Last Answer : Answer: Option D

If the bearing capacity of soil is 10 tonnes/cm2 and the projection of plain concrete footing from walls, is a cm, the depth D of footing is (A) D = 0.0775 a (B) D = 0.775 a (C) D = 0.775 a (D) D = 0.775 a2

Description : If the bearing capacity of soil is 10 tonnes/cm2 and the projection of plain concrete footing from walls, is a cm, the depth D of footing is (A) D = 0.0775 a (B) D = 0.775 a (C) D = 0.775 a (D) D = 0.775 a2

Last Answer : Answer: Option B

Black cotton soil is unsuitable for foundations because its (A) Bearing capacity is low (B) Permeability is uncertain (C) Particles are cohesive (D) Property to undergo a volumetric change due to variation of moisture content

Description : Black cotton soil is unsuitable for foundations because its (A) Bearing capacity is low (B) Permeability is uncertain (C) Particles are cohesive (D) Property to undergo a volumetric change due to variation of moisture content

Last Answer : Answer: Option D

The least bearing capacity of soil is that of (A) Hard rock (B) Moist clay (C) Soft rock (D) Coarse sandy soil

Description : The least bearing capacity of soil is that of (A) Hard rock (B) Moist clay (C) Soft rock (D) Coarse sandy soil

Last Answer : Answer: Option B

For a wall carrying heavy load on low bearing capacity soil, (A) Lean concrete bed is provided (B) Thick concrete bed is provided (C) Reinforced concrete bed is provided (D) Both (a) and (c) of the above

Description : For a wall carrying heavy load on low bearing capacity soil, (A) Lean concrete bed is provided (B) Thick concrete bed is provided (C) Reinforced concrete bed is provided (D) Both (a) and (c) of the above

Last Answer : Answer: Option D

The maximum bearing capacity of soil is that of (A) Black cotton soil (B) Loose fine sandy soil (C) Dry coarse sandy soil (D) Hard rocks

Description : The maximum bearing capacity of soil is that of (A) Black cotton soil (B) Loose fine sandy soil (C) Dry coarse sandy soil (D) Hard rocks

Last Answer : Answer: Option D

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Description : Safe bearing capacity of black cotton soil varies from (A) 2 to 3 t/m2 (B) 5 to 7.5 t/m2 (C) 8 to 10 t/m2 (D) 10 to 12 t/m2

Last Answer : Answer: Option B

Pick up the incorrect statement from the following: (A) The smaller the size of the pores, the higher the water can rise above the water table (B) Below the water table, the pore water may be static (C) The hydrostatic pressure depends on the depth below the water level (D) None of these

Description : Pick up the incorrect statement from the following: (A) The smaller the size of the pores, the higher the water can rise above the water table (B) Below the water table, the pore water may be static (C) The hydrostatic pressure depends on the depth below the water level (D) None of these

Last Answer : Answer: Option D

The angle that Coulomb's failure envelope makes with the horizontal is called (A) Cohesion (B) Angle of internal friction (C) Angle of repose (D) None of the above

Description : The angle that Coulomb's failure envelope makes with the horizontal is called (A) Cohesion (B) Angle of internal friction (C) Angle of repose (D) None of the above

Last Answer : Answer: Option A

Consider the following statements: For pure clay, the shear strength parameters will be 1. Cohesion c = 0; and angle of internal friction  will be maximum. 2. Cohesion c is maximum; and angle of internal friction  is also maximum. 3. Angle of internal friction  is zero, with some value of cohesion c. Which of these statements is/are correct? (a) 1, 2 & 3 (b) 1 only (c) 3 only (d) 2 only

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Last Answer : (c) 3 only

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

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

Pick up the correct statement from the following: (A) When water table is above the base of a footing, the dry weight m should be used for soil below water table (B) When water table is located somewhat below the base of a footing, the elastic wedge is partly of moist soil and partly of submerged soil, and a suitable reduction factor is used (C) When water table is just at the base of the footing, no reduction factor is used (D) None of these

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Which of the following statements about phloem transport is correct? (1) phloem transport occurs unidirectionally (2) gravity influences phloem transport (3) Ca+ is the most abundantcation in phloem sap (4) sugar is transported in phloem as non-reducing sugar

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Last Answer : sugar is transported in phloem as non-reducing sugar

Pick out the wrong statement. (A) A fluid mass is free from shearing forces, when it is made to rotate with a uniform velocity(B) Newton's law of viscosity is not applicable to the turbulent flow of fluidwith linear velocity distribution(C) Laminar flow of viscous liquids is involved in the lubrication of varioustypes of bearings(D) Rise of water in capillary tubes reduces with the increasing diameter ofcapillary tubes

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