For shear strength, triaxial shear test is suitable because (A) It can be performed under all three drainage conditions (B) Precise measurement of the pore pressure and volume change during the test is possible (C) Stress distribution on the failure plane, is uniform (D) All the above

For shear strength, triaxial shear test is suitable because
(A) It can be performed under all three drainage conditions
(B) Precise measurement of the pore pressure and volume change during the test is possible
(C) Stress distribution on the failure plane, is uniform
(D) All the above
by

1 Answer

Answer :

(D) All the above
by

Related questions

A triaxial shear test is preferred to direct shear test, because (A) It can be performed under all three drainage conditions with complete control (B) Precise measurement of pore pressure and change in volume during test, is not possible (C) Stress distribution on the failure plane, is non uniform (D) None of these

Description : A triaxial shear test is preferred to direct shear test, because (A) It can be performed under all three drainage conditions with complete control (B) Precise measurement of pore pressure and change in ... possible (C) Stress distribution on the failure plane, is non uniform (D) None of these

Last Answer : Answer: Option A

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 test (C) Stress distribution on the failure plane in the case of triaxial compression test is uniform (D) Unconfined compression test can be carried out on all types of soils

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

The direct shear test suffers from the following disadvantage: (A) Drain condition cannot be controlled (B) Pore water pressure cannot be measured (C) Shear stress on the failure plane is not uniform (D) The area under the shear and vertical loads does not remain constant throughout the test

Description : The direct shear test suffers from the following disadvantage: (A) Drain condition cannot be controlled (B) Pore water pressure cannot be measured (C) Shear stress on the failure plane is not uniform (D) The area under the shear and vertical loads does not remain constant throughout the test

Last Answer : Answer: Option C

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 shear test (C) The confining pressure is maximum during an unconfined compression test (D) The cylindrical specimen of a soil is subjected to major principal stress till it fails due to shearing along the plane of the failure

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

direct shear test possesses the following disadvantage: (A) A relatively thin thickness of sample permits quick drainage (B) A relatively thin thickness of sample permits quick dissipation of pore pressure developed during the test (C) As the test progresses the area under shear, gradually changes (D) None of these

Description : direct shear test possesses the following disadvantage: (A) A relatively thin thickness of sample permits quick drainage (B) A relatively thin thickness of sample permits quick dissipation of pore pressure ... C) As the test progresses the area under shear, gradually changes (D) None of these

Last Answer : Answer: Option C

In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as (A) Consolidated drained test (B) Consolidated undrained test (C) Unconsolidated drained test (D) Unconsolidated undrained test

Description : In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator ... test (B) Consolidated undrained test (C) Unconsolidated drained test (D) Unconsolidated undrained test

Last Answer : (B) Consolidated undrained test

In the triaxial compression test, the application of additional axial stress (i.e. deviator stress) on the soil specimen produces shear stress on (A) Horizontal plane only (B) Vertical plane only (C) Both horizontal and vertical planes (D) All planes except horizontal and vertical planes

Description : In the triaxial compression test, the application of additional axial stress (i.e. deviator stress) on the soil specimen produces shear stress on (A) Horizontal plane only (B) Vertical plane only (C) Both horizontal and vertical planes (D) All planes except horizontal and vertical planes

Last Answer : (D) All planes except horizontal and vertical planes

If drainage is permitted throughout the test, during the application of both normal, and shear stresses so that full consolidation occurs and no excess pore pressure is set up at any stage of the test, is known as (A) Quick test (B) Drained test (C) Consolidated undrained test (D) None of these

Description : If drainage is permitted throughout the test, during the application of both normal, and shear stresses so that full consolidation occurs and no excess pore pressure is set up at any stage of the test, is ... (A) Quick test (B) Drained test (C) Consolidated undrained test (D) None of these

Last Answer : Answer: Option B

During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm² to 0.26 N/mm², the pore water pressure increases from 0.07 N/mm² to 0.15 N/mm². Skempton's pore B (A) 0.5 (B) -0.5 (C) 2.0 (D) -2.0

Description : During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm² to 0.26 N/mm², the pore water pressure increases from 0.07 N/mm² to 0.15 N/mm². Skempton's pore B (A) 0.5 (B) -0.5 (C) 2.0 (D) -2.0

Last Answer : (A) 0.5

In a R.C section under flexure, the assumption that “a plane section before bending remains plane after bending” leads to (a) Strain distribution being linear across the depth (b) Stress distribution being linear across the depth (c) Both stress and strain distribution being linear across the depth (d) Shear stress distribution being uniform along the depth

Description : In a R.C section under flexure, the assumption that a plane section before bending remains plane after bending leads to (a) Strain distribution being linear across the depth (b) ... strain distribution being linear across the depth (d) Shear stress distribution being uniform along the depth

Last Answer : (a) Strain distribution being linear across the depth

For testing a saturated clay for shear strength, the test recommended, is (A) Direct shear test (B) Triaxial compression test (C) Unconfined compression test (D) All the above

Description : For testing a saturated clay for shear strength, the test recommended, is (A) Direct shear test (B) Triaxial compression test (C) Unconfined compression test (D) All the above

Last Answer : Answer: Option C

For the determination of shear strength parameters, c and , of soil in the laboratory, the test to be conducted will be (a) Triaxial compression test (b) Sieve analysis (c) Compaction test (d) Relative density test

Description : For the determination of shear strength parameters, c and , of soil in the laboratory, the test to be conducted will be (a) Triaxial compression test (b) Sieve analysis (c) Compaction test (d) Relative density test

Last Answer : (a) Triaxial compression test

The Mohr's straight theory is based on the following fact: (A) Material fails essentially by shear (B) Ultimate strength of the material is determined by the stress in the plane of slip (C) Failure criterion is independent of the intermediate principal stress (D) All the above

Description : The Mohr's straight theory is based on the following fact: (A) Material fails essentially by shear (B) Ultimate strength of the material is determined by the stress in the plane of slip (C) Failure criterion is independent of the intermediate principal stress (D) All the above

Last Answer : Answer: Option D

AA saturated clay is to be tested for shearing strength. Which test should be recommended? a) Direct shear test b) Triaxial shear test c) Vane shear test d) Unconfined compression*

Description : A saturated clay is to be tested for shearing strength. Which test should be recommended? a) Direct shear test b) Triaxial shear test c) Vane shear test d) Unconfined compression*

Last Answer : d) Unconfined compression*

Pick up the correct statement from the following: (A) Isotropic consolidation of clay can be obtained in the triaxial apparatus under equal all￾round pressure (B) If the present effective stress is the maximum to which the clay has ever been subjected, it is called normally consolidated clay (C) If the present effective stress in the past was more than present effective stress, it is called over-consolidated clay (D) All the above

Description : Pick up the correct statement from the following: (A) Isotropic consolidation of clay can be obtained in the triaxial apparatus under equal all￾round pressure (B) If the present effective stress is the ... more than present effective stress, it is called over-consolidated clay (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Failure plane carries maximum shear stress (B) Failure plane does not carry maximum shear stress (C) Failure plane carries shear stress equal to maximum shear stress (D) None of these

Description : Pick up the correct statement from the following: (A) Failure plane carries maximum shear stress (B) Failure plane does not carry maximum shear stress (C) Failure plane carries shear stress equal to maximum shear stress (D) None of these

Last Answer : Option B

A beam is said to be of uniform strength, if (A) B.M. is same throughout the beam (B) Shear stress is same throughout the beam (C) Deflection is same throughout the beam (D) Bending stress is same at every section along its longitudinal axis

Description : A beam is said to be of uniform strength, if (A) B.M. is same throughout the beam (B) Shear stress is same throughout the beam (C) Deflection is same throughout the beam (D) Bending stress is same at every section along its longitudinal axis

Last Answer : (D) Bending stress is same at every section along its longitudinal axis

A beam is said to be of uniform strength, if (A) B.M. is same throughout the beam (B) Deflection is same throughout the beam (C) Bending stress is same throughout the beam (D) Shear stress is same throughout the beam

Description : A beam is said to be of uniform strength, if (A) B.M. is same throughout the beam (B) Deflection is same throughout the beam (C) Bending stress is same throughout the beam (D) Shear stress is same throughout the beam

Last Answer : (C) Bending stress is same throughout the beam

During consolidation process of clayey soils, indicate the sequence of occurrence of the following events in the order from first to last : 1. Load being taken up by the pore water 2. Load being taken up by the soil grains 3. Drainage of water from the pores of the soil (a) 1, 2 and 3 (b) 2, 3 and 1 (c) 1, 3 and 2 (d) 2, 1 and 3

Description : During consolidation process of clayey soils, indicate the sequence of occurrence of the following events in the order from first to last : 1. Load being taken up by the pore water 2. Load being taken up by the soil grains 3. Drainage of ... 1, 2 and 3 (b) 2, 3 and 1 (c) 1, 3 and 2 (d) 2, 1 and 3

Last Answer : (c) 1, 3 and 2

If the water table rises upto ground surface, then the (A) Effective stress is reduced due to decrease in total stress only but pore water pressure does not change (B) Effective stress is reduced due to increase in pore water pressure only but total stress does not change (C) Total stress is reduced due to increase in pore water pressure only but effective stress does not change (D) Total stress is increased due to decrease in pore water pressure but effective stress does not change

Description : If the water table rises upto ground surface, then the (A) Effective stress is reduced due to decrease in total stress only but pore water pressure does not change (B) Effective stress is ... D) Total stress is increased due to decrease in pore water pressure but effective stress does not change

Last Answer : (B) Effective stress is reduced due to increase in pore water pressure only but total stress does not change

The slope of isochrone at any point at a given time indicates the rate of change of(A) Effective stress with time (B) Effective stress with depth (C) Pore water pressure with depth (D) Pore water pressure with time

Description : The slope of isochrone at any point at a given time indicates the rate of change of (A) Effective stress with time (B) Effective stress with depth (C) Pore water pressure with depth (D) Pore water pressure with time

Last Answer : Answer: Option C

A beam of uniform strength has a. same cross-section throughout the beam b. same bending stress at every section c. same bending moment at every section d. same shear stress at every section

Description : A beam of uniform strength has a. same cross-section throughout the beam b. same bending stress at every section c. same bending moment at every section d. same shear stress at every section

Last Answer : b. same bending stress at every section

Strength of a shaft a. Is equal to maximum shear stress in the shaft at the time of elastic failure b. Is equal to maximum shear stress in the shaft at the time of rupture c. Is equal to torsional rigidity d. Is ability to resist maximum twisting moment

Description : Strength of a shaft a. Is equal to maximum shear stress in the shaft at the time of elastic failure b. Is equal to maximum shear stress in the shaft at the time of rupture c. Is equal to torsional rigidity d. Is ability to resist maximum twisting moment

Last Answer : d. Is ability to resist maximum twisting moment

When drainage is permitted under initially applied normal stress only and full primarily consolidation is allowed to take place, the test is known as (A) Quick test (B) Drained test (C) Consolidated undrained test (D) None of these

Description : When drainage is permitted under initially applied normal stress only and full primarily consolidation is allowed to take place, the test is known as (A) Quick test (B) Drained test (C) Consolidated undrained test (D) None of these

Last Answer : (C) Consolidated undrained test

For a homogeneous & isotropic body under hydrostatic pressure, which theory of elastic failure does not fail (a) Firstly Maximum Principal Theory (b) Secondly Maximum Shear Stress Theory (c) Thirdly Maximum Principal Energy Theory (d) None

Description : For a homogeneous & isotropic body under hydrostatic pressure, which theory of elastic failure does not fail (a) Firstly Maximum Principal Theory (b) Secondly Maximum Shear Stress Theory (c) Thirdly Maximum Principal Energy Theory (d) None

Last Answer : (a) Firstly Maximum Principal Theory

Helium-mercury method is used for the measurement of the __________ of the catalyst. (A) Surface area (B) Porosity (C) Pore volume (D) Both (B) & (C)

Description : Helium-mercury method is used for the measurement of the __________ of the catalyst. (A) Surface area (B) Porosity (C) Pore volume (D) Both (B) & (C)

Last Answer : (D) Both (B) & (C)

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°

Description : 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 ... N/mm² and 0° (C) 0.2 N/mm² and 0° (D) 0.05 N/mm² and 45°

Last Answer : Answer: Option B

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 of shear strength in natural state to the remoulded shear strength under undrained conditions is called degree of sensitivity (C) The difference between the undisturbed shear strength and remoulded shear strength is known remoulding loss (D) All the above

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

In case of laminar flow of fluid through a circular pipe, the (A) Shear stress over the cross-section is proportional to the distance from the surface of the pipe (B) Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the volume of circumscribing cylinder (C) Velocity profile varies hyperbolically and the shear stress remains constant over the cross-section (D) Average flow occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius)

Description : In case of laminar flow of fluid through a circular pipe, the (A) Shear stress over the cross-section is proportional to the distance from the surface of the pipe (B) Surface of velocity distribution is a ... occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius)

Last Answer : (B) Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the volume of circumscribing cylinder

Rise of water table above the ground surface causes (A) Equal increase in pore water pressure and total stress (B) Equal decrease in pore water pressure and total stress (C) Increase in pore water pressure but decrease in total stress (D) Decrease in pore water pressure but increase in total stress

Description : Rise of water table above the ground surface causes (A) Equal increase in pore water pressure and total stress (B) Equal decrease in pore water pressure and total stress (C) Increase in ... pressure but decrease in total stress (D) Decrease in pore water pressure but increase in total stress

Last Answer : Answer: Option A

Bulk modulus of a fluid is the ratio of (A) Shear stress to shear strain (B) Increase in volume to the viscosity of fluid (C) Increase in pressure to the volumetric strain (D) Critical velocity to the viscosity of fluid

Description : Bulk modulus of a fluid is the ratio of (A) Shear stress to shear strain (B) Increase in volume to the viscosity of fluid (C) Increase in pressure to the volumetric strain (D) Critical velocity to the viscosity of fluid

Last Answer : Answer: Option C

Failure of a slope occurs only when total shear force is A) Equal to total shearing strength (B) Greater than total shearing strength (C) Less than total shearing strength (D) None of these

Description : Failure of a slope occurs only when total shear force is A) Equal to total shearing strength (B) Greater than total shearing strength (C) Less than total shearing strength (D) None of these

Last Answer : Answer: Option B

The length/diameter ratio of cylindrical specimens used in triaxial test, is generally (A) 1 (B) 1.5 (C) 2 (D) 2.5

Description : The length/diameter ratio of cylindrical specimens used in triaxial test, is generally (A) 1 (B) 1.5 (C) 2 (D) 2.5

Last Answer : Answer: Option C

The triaxial apparatus is usually used for (A) Unconsolidated-undrained test (B) Consolidated-undrained test (C) Drained test (D) All the above tests

Description : The triaxial apparatus is usually used for (A) Unconsolidated-undrained test (B) Consolidated-undrained test (C) Drained test (D) All the above tests

Last Answer : Answer: Option D

Maximum shear stress theory for the failure of a material at the elastic limit, is known (A) Guest's or Trecas' theory (B) St. Venant's theory (C) Rankine's theory (D) Haig's theory

Description : Maximum shear stress theory for the failure of a material at the elastic limit, is known  (A) Guest's or Trecas' theory  (B) St. Venant's theory  (C) Rankine's theory  (D) Haig's theory

Last Answer : (A) Guest's or Trecas' theory

Depending upon the properties of a material, the failure envelope may (A) Be either straight or curved (B) Pass through the origin of stress (C) Intersect the shear stress axis (D) All the above

Description : Depending upon the properties of a material, the failure envelope may (A) Be either straight or curved (B) Pass through the origin of stress (C) Intersect the shear stress axis (D) All the above

Last Answer : (D) All the above

Which of the following theories of failure is most appropriate for a brittle material? (a) Maximum principal strain theory (b) Maximum principal stress theory (c) Maximum shear stress theory (d) Maximum strain energy theory

Description : Which of the following theories of failure is most appropriate for a brittle material? (a) Maximum principal strain theory (b) Maximum principal stress theory (c) Maximum shear stress theory (d) Maximum strain energy theory

Last Answer : (b) Maximum principal stress theory

In a reinforced concrete beam , the shear stress distribution above the neutral axis following a (a) A straight line (b) Circular curve (c) Parabolic curve (d) All the above

Description : In a reinforced concrete beam , the shear stress distribution above the neutral axis following a (a) A straight line (b) Circular curve (c) Parabolic curve (d) All the above

Last Answer : (c) Parabolic curve

Under complex loading, if elastic limit reaches in tension, then failure occurs due to (a) Firstly Maximum principal strain theory (b) Secondly Maximum principal theory of strain energy (c) Thirdly Maximum shear stress theory (d) None

Description : Under complex loading, if elastic limit reaches in tension, then failure occurs due to (a) Firstly Maximum principal strain theory (b) Secondly Maximum principal theory of strain energy (c) Thirdly Maximum shear stress theory (d) None

Last Answer : (d) None

The maximum shear stress occurs on the filament which makes an angle with the horizontal plane equal to (A) 30° (B) 45° (C) 60° (D) 90

Description : The maximum shear stress occurs on the filament which makes an angle with the horizontal plane equal to (A) 30° (B) 45° (C) 60° (D) 90

Last Answer : (B) 45°

At either end of a plane frame, maximum number of possible transverse shear forces, are (A) One (B) Two (C) Three (D) Four

Description : At either end of a plane frame, maximum number of possible transverse shear forces, are (A) One (B) Two (C) Three (D) Four

Last Answer : (A) One

Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam (A) Are curtailed if not required to resist the bending moment (B) Are bent up at suitable places to serve as shear reinforcement (C) Are bent down at suitable places to serve as shear reinforcement (D) Are maintained at bottom to provide at least local bond stress

Description : Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam (A) Are curtailed if not required to resist the bending moment (B) Are bent up at suitable ... to serve as shear reinforcement (D) Are maintained at bottom to provide at least local bond stress

Last Answer : Answer: Option C

Non uniform flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at successive periods of time (C) Velocity, depth, pressure, etc. change from point to point in the fluid flow. (D) The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Description : Non uniform flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at ... The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Last Answer : Answer: Option C

The shear strength of a soil (A) Increases with an increase in the normal stress (B) Is proportional to the cohesion of the soil (C) Is generally known as the strength of the soil (D) All the above

Description : The shear strength of a soil (A) Increases with an increase in the normal stress (B) Is proportional to the cohesion of the soil (C) Is generally known as the strength of the soil (D) All the above

Last Answer : (D) All the above

Which one of the following statements is true for Mohr-Coulomb envelope? (A) Coulomb suggests that the relationship between shear strength and normal stress, is adequately represented by the straight line (B) The generalised Mohr theory suggests that, though the shear stress depends on the normal stress, the relation is not linear (C) Coulomb and Mohr suggest that a definite relationship exists among the principal stress and the angle of internal friction (D) All the above

Description : Which one of the following statements is true for Mohr-Coulomb envelope? (A) Coulomb suggests that the relationship between shear strength and normal stress, is adequately represented by the straight line ... exists among the principal stress and the angle of internal friction (D) All the above

Last Answer : Answer: Option D

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

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

Factor of safety against sliding of a slope, is the ratio of (A) Actual cohesion to that required to maintain stability of slope (B) Shear strength to shear stress along the surface (C) Neither (a) nor (b) (D) Both (a) and (b)

Description : Factor of safety against sliding of a slope, is the ratio of (A) Actual cohesion to that required to maintain stability of slope (B) Shear strength to shear stress along the surface (C) Neither (a) nor (b) (D) Both (a) and (b)

Last Answer : Answer: Option D

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

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

When shear stress exceeds the permissible limit in a slab, then it is reduced by (A) Increasing the depth (B) Providing shear reinforcement (C) Using high strength steel (D) Using thinner bars but more in number

Description : When shear stress exceeds the permissible limit in a slab, then it is reduced by (A) Increasing the depth (B) Providing shear reinforcement (C) Using high strength steel (D) Using thinner bars but more in number

Last Answer : Answer: Option A

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.

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