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

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
by

1 Answer

Answer :

Answer: Option A
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Related questions

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

The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of (A) Friction (B) Limiting friction (C) Repose (D) Kinematic friction

Description : The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of (A) Friction (B) Limiting friction (C) Repose (D) Kinematic friction

Last Answer : (C) Repose

The angle which an inclined surface makes with the horizontal when a body placed on it is on the point moving down is known as a.Angle of friction b.Angle of limiting friction c.Angle of inclination d.Angle of repose e.None of the above

Description : The angle which an inclined surface makes with the horizontal when a body placed on it is on the point moving down is known as a.Angle of friction b.Angle of limiting friction c.Angle of inclination d.Angle of repose e.None of the above

Last Answer : d. Angle of repose

The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes (A) With the horizontal (B) With the vertical (C) With the perpendicular to the inclined plane of the soil (D) None of these

Description : The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes (A) With the horizontal (B) With the vertical (C) With the perpendicular to the inclined plane of the soil (D) None of these

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

Description : 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

Last Answer : (B) Angle of internal friction only

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.

Description : 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 ... (D) Effective angle of internal friction is a complicated function of mineralogy and clay size content.

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

Description : 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. ... is/are correct? (a) 1, 2 & 3 (b) 1 only (c) 3 only (d) 2 only

Last Answer : (c) 3 only

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

Which one of the following statements is not correct? (A) The tangent of the angle of friction is equal to coefficient of friction (B) The angle of repose is equal to angle of friction (C) The tangent of the angle of repose is equal to coefficient of friction (D) The sine of the angle of repose is equal to coefficient to friction

Description : Which one of the following statements is not correct?  (A) The tangent of the angle of friction is equal to coefficient of friction  (B) The angle of repose is equal to angle of ... coefficient of friction  (D) The sine of the angle of repose is equal to coefficient to friction

Last Answer : (D) The sine of the angle of repose is equal to coefficient to friction

Tangent of angle of friction is equal to (A) Kinetic friction (B) Limiting friction (C) Angle of repose (D) Coefficient of friction

Description : Tangent of angle of friction is equal to (A) Kinetic friction (B) Limiting friction (C) Angle of repose (D) Coefficient of friction

Last Answer : (D) Coefficient of friction

The ratio of limiting friction and normal reaction is known as (A) Coefficient of friction (B) Angle of friction (C) Angle of repose (D) Sliding friction

Description : The ratio of limiting friction and normal reaction is known as (A) Coefficient of friction (B) Angle of friction (C) Angle of repose (D) Sliding friction

Last Answer : (A) Coefficient of friction

A plane inclined at an angle to the horizontal at which the soil is expected to stay in the absence of any lateral support, is known as (A) Natural slope line (B) Repose line (C) The line (D) All the above

Description : A plane inclined at an angle to the horizontal at which the soil is expected to stay in the absence of any lateral support, is known as (A) Natural slope line (B) Repose line (C) The line (D) All the above

Last Answer : Answer: Option D

If is the angle of repose of soil of weight w kg/m3 , the horizontal pressure p at a depth of h metres per metre length of wall, is (A) wh × [(1 - sin )/(1 + )] (B) (wh/2) × [(1 - sin )/(1 + )] (C) wh - sin )/(1 + )] (D) wh )/(1 - )

Description : If is the angle of repose of soil of weight w kg/m3 , the horizontal pressure p at a depth of h metres per metre length of wall, is (A) wh × [(1 - sin )/(1 + )] (B) (wh/2) × [(1 - sin )/(1 + )] (C) wh - sin )/(1 + )] (D) wh )/(1 - )

Last Answer : Answer: Option A

The shear strength in plastic undrained clay, is due to (A) Inter-granular friction (B) Internal friction (C) Cohesion (D) None of these

Description : The shear strength in plastic undrained clay, is due to (A) Inter-granular friction (B) Internal friction (C) Cohesion (D) None of these

Last Answer : (C) Cohesion

The slope on the road generally provided on the curves is known as a.Angle of repose b.Angle of friction c.Angle of banking d.Angle of reaction e.None of the above

Description : The slope on the road generally provided on the curves is known as a.Angle of repose b.Angle of friction c.Angle of banking d.Angle of reaction e.None of the above

Last Answer : c. Angle of banking

Angle of friction and angle of repose are (1) Equal to each other (2) Not equal to each other (3) Proportional to each other (4) None of the above

Description : Angle of friction and angle of repose are (1) Equal to each other (2) Not equal to each other (3) Proportional to each other (4) None of the above

Last Answer : (1) Equal to each other Explanation: The angle of repose or the critical angle of repose, of a granular material is the steepest angle of descent or dip of the slope relative to the horizontal ... the density, surface area and shapes of the particles, and the coefficient of friction of the material.

Angle of friction and angle of repose are (1) equal to each other (2) not equal to each other (3) proportional to each other (4) None of the above

Description : Angle of friction and angle of repose are (1) equal to each other (2) not equal to each other (3) proportional to each other (4) None of the above

Last Answer : equal to each other

Which of the following is not depends on shear strength of the material? (A) Cohesion (B) Internal friction (C) Normal stress (D) Mass of the material

Description : Which of the following is not depends on shear strength of the material? (A) Cohesion (B) Internal friction (C) Normal stress (D) Mass of the material

Last Answer : (D) Mass of the material 

According to Coulomb's wedge theory, the active earth pressure slides the wedge (A) Down and outwards on a slip surface (B) Up and inwards on a slip surface (C) Horizontal upward and parallel to base (D) Horizontal inward and parallel to base

Description : According to Coulomb's wedge theory, the active earth pressure slides the wedge (A) Down and outwards on a slip surface (B) Up and inwards on a slip surface (C) Horizontal upward and parallel to base (D) Horizontal inward and parallel to base

Last Answer : Answer: Option A

The change of moisture content of soils, changes the (A) Value of the angle of repose (B) Amount of compaction required (C) Cohesive strength of soil (D) All the above

Description : The change of moisture content of soils, changes the (A) Value of the angle of repose (B) Amount of compaction required (C) Cohesive strength of soil (D) All the above

Last Answer : Answer: Option D

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

A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant active earth pressure will act at a distance of 2 m above the base and inclined to the horizontal at an angle of (A) 7° (B) 10° (C) 12° (D) 17

Description : A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant ... inclined to the horizontal at an angle of (A) 7° (B) 10° (C) 12° (D) 17

Last Answer : (C) 12°

Free surface of a liquid tends to contract to the smallest possible area due to force of (A) Surface tension (B) Viscosity (C) Friction (D) Cohesion

Description : Free surface of a liquid tends to contract to the smallest possible area due to force of (A) Surface tension (B) Viscosity (C) Friction (D) Cohesion

Last Answer : Answer: Option A

Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the (A) Force of adhesion (B) Force of cohesion (C) Force of friction (D) Force of diffusion

Description : Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the (A) Force of adhesion (B) Force of cohesion (C) Force of friction (D) Force of diffusion

Last Answer : Answer: Option B

The passive earth pressure of a soil is proportional to (where is the angle of internal friction of the soil.) (A) tan (45° - ) (B) tan (45° + ) (C) tan2 (45° - ) (D) tan2 (45° + )

Description : The passive earth pressure of a soil is proportional to (where is the angle of internal friction of the soil.) (A) tan (45° - ) (B) tan (45° + ) (C) tan2 (45° - ) (D) tan2 (45° + )

Last Answer : (D) tan2 (45° + )

The coefficient of active earth pressure for a loose sand having an angle of internal friction of 30° is (A) 1/3 (B) 3 (C) 1 (D) 1/2

Description : The coefficient of active earth pressure for a loose sand having an angle of internal friction of 30° is (A) 1/3 (B) 3 (C) 1 (D) 1/2

Last Answer : (A) 1/3

The earth pressure of a soil at rest, is proportional to (where is the angle of internal friction of the soil) (A) tan (45° - ) (B) tan (45° + ) (C) tan2 (45° - ) (D) None of these

Description : The earth pressure of a soil at rest, is proportional to (where is the angle of internal friction of the soil) (A) tan (45° - ) (B) tan (45° + ) (C) tan2 (45° - ) (D) None of these

Last Answer : Answer: Option D

The angle of internal friction is maximum for (A) angular-grained loose sand (B) angular-grained dense sand (C) round-grained dense sand (D) round-grained loose sand

Description : The angle of internal friction is maximum for (A) angular-grained loose sand (B) angular-grained dense sand (C) round-grained dense sand (D) round-grained loose sand

Last Answer : Answer: Option B

The angle of internal friction of clays, is usually (A) 0° to 5° (B) 5° to 20° (C) 20° to 30° (D) 30° to 45

Description : The angle of internal friction of clays, is usually (A) 0° to 5° (B) 5° to 20° (C) 20° to 30° (D) 30° to 45

Last Answer : Answer: Option B

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

The angle of internal friction, is least for (A) Angular-grained loose sand (B) Angular -grained dense sand (C) Round-grained loose sand (D) Clays

Description : The angle of internal friction, is least for (A) Angular-grained loose sand (B) Angular -grained dense sand (C) Round-grained loose sand (D) Clays

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

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

The internal molecular attraction of a soil, the cohesion (A) Decreases as the moisture content increases (B) Increases as the moisture content decreases (C) Is more in well compacted clays (D) Depends upon the external applied load

Description : The internal molecular attraction of a soil, the cohesion (A) Decreases as the moisture content increases (B) Increases as the moisture content decreases (C) Is more in well compacted clays (D) Depends upon the external applied load

Last Answer : Answer: Option C

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

Description : 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 ... weight of soil and effective angle of shearing resistance (D) Effective angle of shearing resistance

Last Answer : Answer: Option B

Grinding characteristic of a material is given by its (A) HGI (B) Angle of repose (C) Shatter index (D) Abrasion index

Description : Grinding characteristic of a material is given by its (A) HGI (B) Angle of repose (C) Shatter index (D) Abrasion index

Last Answer : (A) HGI

Pick out the correct statement.(A) Angle of repose is always greater than the angle of slide (B) A hopper is a small bin with a sloping bottom (C) A silo is a short height vessel of very large diameter used for the storage of high volatile matter coal (D) Pine oil is used as a 'modifying agent' (for activating or depressing the adsorption of filming agents) in froth floatation process

Description : Pick out the correct statement. (A) Angle of repose is always greater than the angle of slide (B) A hopper is a small bin with a sloping bottom (C) A silo is a short height ... used as a 'modifying agent' (for activating or depressing the adsorption of filming agents) in froth floatation process

Last Answer : (B) A hopper is a small bin with a sloping bottom

Pick out the wrong statement. (A) Angle of repose of coal increases with its increasing size (B) Specific gravity of coal increases with its increasing maturity (C) Refractive index and reflectance of coal increases with the increasing rank of coal (D) Specific heat of coal decreases with increases in the volatile matter and decrease in the C/H ratio of coal

Description : Pick out the wrong statement. (A) Angle of repose of coal increases with its increasing size (B) Specific gravity of coal increases with its increasing maturity (C) Refractive index and reflectance of ... of coal decreases with increases in the volatile matter and decrease in the C/H ratio of coal

Last Answer : (D) Specific heat of coal decreases with increases in the volatile matter and decrease in the C/H ratio of coal

What is the angle of repose and what are its applications in the chemical industry?

Description : What is the angle of repose and what are its applications in the chemical industry?

Last Answer : The dictionary defines angle of repose as the inclination of a plane at which a body placed on the plane would remain at rest, or if in motion would roll or slide down with uniform velocity ... concept is also important in the design of system designed to move bulk solids for the same reasons.

Durability of the fertilizer increases with a) Increase in the kinetic angle of repose b) Decrease in the kinetic angle of repose c) Decrease in the speed of the forward travel d) None of the above

Description : Durability of the fertilizer increases with a) Increase in the kinetic angle of repose b) Decrease in the kinetic angle of repose c) Decrease in the speed of the forward travel d) None of the above

Last Answer : b) Decrease in the kinetic angle of repose

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*

Define angle of repose.

Description : Define angle of repose. 

Last Answer : Angle of repose is defined as the angle made by the inclined plane with the horizontal plane at which the body placed on an inclined plane is just on the point of moving down the plane, under the action of its own weight.

A body of weight W is resting at a plane inclined at 30? to the horizontal. It is attached to a string making an angle of 60? with horizontal. If the angle of friction be 30? the tension in the string would be a.Zero b.W c.W/2 d.2W e.None of the above

Description : A body of weight W is resting at a plane inclined at 30? to the horizontal. It is attached to a string making an angle of 60? with horizontal. If the angle of friction be 30? the tension in the string would be a.Zero b.W c.W/2 d.2W e.None of the above

Last Answer : c. W/2

A body of weight 100 kg is placed on a horizontal plane. A horizontal force of 30 kg is applied and the block is just on the point of motion. The angle of friction is a.About 16? b.30? c.45? d.60? e.None of the above

Description : A body of weight 100 kg is placed on a horizontal plane. A horizontal force of 30 kg is applied and the block is just on the point of motion. The angle of friction is a.About 16? b.30? c.45? d.60? e.None of the above

Last Answer : a. About 16?

The coefficient of friction is a.The tangent of the angle between the normal reaction and direction of limiting friction b.The tangent of the angle between the normal reaction and the resultant of the normal reaction and the limiting friction c.The tangent of the angle of the net resultant force with the direction of motion d.The tangent of the angle between the horizontal plane and the resultant force e.The angle between the normal reaction and the resultant of normal reaction and the limiting friction

Description : The coefficient of friction is a.The tangent of the angle between the normal reaction and direction of limiting friction b.The tangent of the angle between the normal reaction and the resultant ... e.The angle between the normal reaction and the resultant of normal reaction and the limiting friction

Last Answer : a. The tangent of the angle between the normal reaction and direction of limiting friction

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°

Excess of alumina in brick earth makes the brick (A) Impermeable (B) Brittle and weak (C) To lose cohesion (D) To crack and warp on drying

Description : Excess of alumina in brick earth makes the brick (A) Impermeable (B) Brittle and weak (C) To lose cohesion (D) To crack and warp on drying

Last Answer : Answer: Option D

Along horizontal curves, if centrifugal force exceeds lateral friction, vehicles may (A) Skid (B) Slip (C) Not be affected (D) None of these

Description : Along horizontal curves, if centrifugal force exceeds lateral friction, vehicles may (A) Skid (B) Slip (C) Not be affected (D) None of these

Last Answer : Answer: Option A

Design of horizontal curves on highways, is based on (A) Design speed of vehicles (B) Permissible friction on the road surface (C) Permissible centrifugal ratio (D) All the above

Description : Design of horizontal curves on highways, is based on (A) Design speed of vehicles (B) Permissible friction on the road surface (C) Permissible centrifugal ratio (D) All the above

Last Answer : Answer: Option D