The effect of cohesion on a soil is to A) Reduce both the active earth pressure intensity and passive earth pressure intensity (B) Increase both the active earth pressure intensity and passive earth pressure intensity (C) Reduce the active earth pressure intensity but to increase the passive earth pressure intensity (D) Increase the active earth pressure intensity but to reduce the passive earth pressure intensity

The effect of cohesion on a soil is to
A) Reduce both the active earth pressure intensity and passive earth pressure intensity
(B) Increase both the active earth pressure intensity and passive earth pressure intensity
(C) Reduce the active earth pressure intensity but to increase the passive earth pressure
intensity
(D) Increase the active earth pressure intensity but to reduce the passive earth pressure
intensity
by

1 Answer

Answer :

Answer: Option C
by

Related questions

The major principal stress in an element of cohesion-less soil within the backfill of a retaining wall is (A) Vertical if the soil is in an active state of plastic equilibrium (B) Vertical if the soil is in a passive state of plastic equilibrium (C) Inclined at 45° to the vertical plane (D) None of the above

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Last Answer : Answer: Option A

The lateral earth pressure coefficients of a soil, Ka for active state, Kp for passive state and Ko for at-rest condition, compare as : (a) Ko < Ka < Kp (b) Ka < Ko < Kp (c) Ka < Kp < Ko (d) Kp < Ko < Ka

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Last Answer : (b) Ka < Ko < Kp

Coefficient of earth pressure at rest is (A) Less than active earth pressure but greater than passive earth pressure (B) Greater than active earth pressure but less than passive earth pressure (C) Greater than both the active earth pressure and passive earth pressure (D) Less than both the active and passive earth pressures

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Last Answer : (B) Greater than active earth pressure but less than passive earth pressure

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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Root pressure develops due to (a) passive absorption (b) active absorption (c) increase in transpiration (d) low osmotic potential in soil.

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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

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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

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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° + )

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The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: (A) Sensors (B) Passive sensors (C) Active sensors (D) None of these

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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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Differentiate between active and passive earth pressure.

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The active earth pressure of a soil is proportional to (where is the angle of friction of the soil) (A) tan (45° - ) (B) tan2 (45° + /2) (C) tan2 (45° - /2) (D) tan (45° + )

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Rankine's theory of active earth pressure assumes (A) Soil mass is homogeneous, dry and cohesionless (B) Ground surface is a plane which may be horizontal or inclined (C) Back of the wall is vertical and smooth (D) All the above

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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

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