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

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
by

1 Answer

Answer :

Answer: Option A
by

Related questions

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

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

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 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

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

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

Description : 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

Last Answer : (D) All the above

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

With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will (A) Decrease (B) Increase (C) Remain unchanged (D) Depend upon the characteristics of liquid

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Last Answer : Answer: Option A

The rise or depression of liquid in a tube due to surface tension will increase in size of tube will (A) Increase (B) Remain unaffected (C) May increase or decrease depending on the characteristics of liquid (D) Decrease

Description : The rise or depression of liquid in a tube due to surface tension will increase in size of tube will (A) Increase (B) Remain unaffected (C) May increase or decrease depending on the characteristics of liquid (D) Decrease

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) The rise of the ground surface due to frost action is called frost heave (B) The freezing of water is accompanied by a volume increase of 9% (C) Below freezing point, higher soil suction develops (D) All the above

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Last Answer : (D) All the above

By increasing the rise of lock-gates, (i) The length of the lock gate will increase (ii) Transverse stress due to water pressure on the gate will increase (iii) Compressive force on the gate will increase Of these statements (A) (i) and (ii) are correct (B) (i) and (iii) are correct (C) Only (ii) is correct (D) Only (iii) is correc

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Last Answer : (A) (i) and (ii) are correct

The neutral stress in a soil mass is (A) Force per neutral area (B) Force per effective area (C) Stress taken up by the pore water (D) Stress taken up by solid particles

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Last Answer : Answer: Option C

Pick up the incorrect statement from the following: (A) Free surface ground water is subjected to atmospheric pressure (B) Water table surface rises and falls with seasons (C) Depth of water table is directly proportional to the rate of drawl of water (D) Level of water table remains stationary

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Last Answer : (D) Level of water table remains stationary 

In a deposit of normally consolidated clay (A) Effective stress increases with depth but water content of soil and undrained strength decrease with depth (B) Effective stress and water content increase with depth but undrained strength decreases with depth C) Effective stress and undrained strength increase with depth but water content decreases with depth (D) Effective stress, water content and undrained strength decrease with depth

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Last Answer : C) Effective stress and undrained strength increase with depth but water content decreases with depth

Dew point of a gas-vapour mixture (A) Increases with temperature rise (B) Decreases with temperature rise (C) Decreases with decrease in pressure (D) Increases with increase in pressure

Description : Dew point of a gas-vapour mixture (A) Increases with temperature rise (B) Decreases with temperature rise (C) Decreases with decrease in pressure (D) Increases with increase in pressure

Last Answer : (C) Decreases with decrease in pressure

At constant temperature, the thermal conductivities of gases__________ with rise in pressure.(A) Decrease(B) Increase(C) Remain unchanged(D) May increase or decrease; depends on the pressure

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Last Answer : (A) Decrease

How do I calculate capillary entry pressure for a given pore width and and a known surface tension?

Description : How do I calculate capillary entry pressure for a given pore width and and a known surface tension?

Last Answer : I’m not a scientist but I did have a flash of intuition while reading your question. Must not these calculations have been made when the type of waterproof/breathable fabric that admits vapor but not water? The patents are certainly public.

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

The pressure that builds up in pore water due to load increment on the soil, is termed (A) Excess pore pressure (B) Excess hydrostatic pressure (C) Hydrodynamic pressure (D) All the above

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Perched aquifers are generally found (A) On the surface of the ground (B) Below the surface of the ground but above water table (C) Below the water table (D) All the above

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Last Answer : (B) Below the surface of the ground but above water table 

Bulk diffusion in catalyst pore __________ with increase in pressure. (A) Increases (B) Decreases (C) Remains unchanged (D) Increases exponentially

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Last Answer : (B) Decreases

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

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

Skempton's pore pressure coefficient B for saturated soil is (A) 1 (B) Zero (C) Between 0 and 1 (D) Greater than 1

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Last Answer : Answer: Option A

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

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Last Answer : Answer: Option D

The allowable shear stress in stiffened webs of mild steel beams decreases with (a) Decrease in the spacing of the stiffeners (b) Increase in the spacing of the stiffeners (c) Decrease in the effective depth (d) Increase in the effective depth

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Last Answer : (b) Increase in the spacing of the stiffeners

The allowable shear stress in the web of mild steel beams decreases with (a) Decrease in h/t ratio (b) Increase in h/t ratio (c ) Decrease in thickness (d) Increase in height Where h is the height and t is the thickness

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Last Answer : (b) Increase in h/t ratio

If the load on beam is increased, the tensile stress sin the concrete below the neutral axis will (a) Increase (b) Decrease (c) Remain unchanged (d) None of these

Description : If the load on beam is increased, the tensile stress sin the concrete below the neutral axis will (a) Increase (b) Decrease (c) Remain unchanged (d) None of these

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In active state of plastic equilibrium in a non cohesive soil with horizontal ground surface (A) Major principal stress is horizontal (B) Minor principal stress is vertical (C) Major principal stress is vertical (D) Minor and major principal stresses are equally inclined to horizontal

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Last Answer : Answer: Option C

An isobar is a line which connects all points below the ground surface at which (a) The local ground elevation is same (b) The settlement is same (c) The vertical stress is the same (d) The ground elevation is varying

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Last Answer : (c) The vertical stress is the same

Pick up the correct statement from the following: (A) The water level in a still well, represents the ground water table level (B) The difference between water table level and the water level in a well after pumping, is called depression head (C) The surface of water table surrounding a well during pumping, forms a cone of depression (D) All the above

Description : Pick up the correct statement from the following:  (A) The water level in a still well, represents the ground water table level  (B) The difference between water table level and the water ... water table surrounding a well during pumping, forms a cone of depression  (D) All the above 

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The equilibrium price of a commodity will definitely rise if there is a/an: (1) increase in supply combined with a decrease in demand. (2) increase in both demand and supply. (3) decrease in both demand and supply. (4) increase in demand accompanied by a decrease in supply.

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Last Answer : (4) increase in demand accompanied by a decrease in supply. Explanation: Price of a commodity is always determined by the forces of demand and supply in the market. The price at which ... equilibrium price definitely increases when there is an increase in demand combined with the decrease in supply.

The purpose of a heat sink, as frequently used with transistors, is to ____________. A. prevent excessive temperature rise B. compensate for excessive doping C. increase the reverse current D. decrease the forward current

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Last Answer : Answer: A

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Last Answer : (B) Decreases

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Last Answer : (A) Increase

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Last Answer : Ans: Decrease rise time and increase overshoot

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Last Answer : a. increase with rise in temperature

Volume variance arises when A. There is rise in overhead rate per hour B. There is decline in overhead rate per hour C. There is decrease or increase in actual output compared to the budgeted output D. None of the above

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Last Answer : C. There is decrease or increase in actual output compared to the budgeted output

Identify the correct statement for air compressors. a. For every 5.5oC drop in the inlet air temperature, the increase in energy consumption is by 2%. b. For every 4 oC rise in the inlet air temperature, the decrease in energy consumption is by 1% c. For every 4 oC rise in the inter air temperature, the increase in energy consumption is by 1% d. The energy consumption remains same irrespective of inlet air temperature

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Last Answer : c. For every 4 oC rise in the inter air temperature, the increase in energy consumption is by 1% 

The equilibrium price of a commodity will definitely rise if there is a/an : (1) increase in supply combined with a decrease in demand. (2) increase in both demand and supply. (3) decrease in both demand and supply. (4) increase in demand accompanied by a decrease in supply.

Description : The equilibrium price of a commodity will definitely rise if there is a/an : (1) increase in supply combined with a decrease in demand. (2) increase in both demand and supply. (3) decrease in both demand and supply. (4) increase in demand accompanied by a decrease in supply.

Last Answer : increase in demand accompanied by a decrease in supply.

The admixture of coarser particles like sand or silt to clay causes (A) Decrease in liquid limit and increase in plasticity index (B) Decrease in liquid limit and no change in plasticity index (C) Decrease in both liquid limit and plasticity index (D) Increase in both liquid limit and plasticity index

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Last Answer : (D) All (A), (B) and (C)

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