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

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
by

1 Answer

Answer :

Answer: Option D
by

Related questions

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

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

Description : 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 ... , 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Last Answer : (d) 1 & 3 only

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

Description : 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 ... can be constructed on made-up soil (D) Black cotton soil is very good for foundation bed

Last Answer : Answer: Option D

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

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

Pile foundations are suitable for (A) Water logged soils (B) Soft rocks (C) Compact soils (D) Multi-storeyed buildings

Description : Pile foundations are suitable for (A) Water logged soils (B) Soft rocks (C) Compact soils (D) Multi-storeyed buildings

Last Answer : Answer: Option A

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

Description : 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

Last Answer : Answer: Option D

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

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

Description : 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

Last Answer : Option D

The minimum depth of building foundations on (A) Sandy soils is 80 cm to 100 cm (B) Clay soils is 90 cm to 160 cm (C) Rocky soils is 5 cm to 50 cm (D) All the above

Description : The minimum depth of building foundations on (A) Sandy soils is 80 cm to 100 cm (B) Clay soils is 90 cm to 160 cm (C) Rocky soils is 5 cm to 50 cm (D) All 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

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

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

The differential settlement in case of foundations on sandy soils should not exceed (A) 25 mm (B) 40 mm (C) 65 mm (D) 100 m

Description : The differential settlement in case of foundations on sandy soils should not exceed (A) 25 mm (B) 40 mm (C) 65 mm (D) 100 mm

Last Answer : Answer: Option A

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

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

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 minimum depth of foundation in clayey soils is (A) 0.5 m (B) 0.7 m (C) 0.9 m (D) 1.2 m

Description : The minimum depth of foundation in clayey soils is (A) 0.5 m (B) 0.7 m (C) 0.9 m (D) 1.2 m

Last Answer : Answer: Option C

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

The maximum total settlement for isolated foundations on clayey soils should be limited to (A) 25 mm (B) 40 mm (C) 65 mm (D) 100 mm

Description : The maximum total settlement for isolated foundations on clayey soils should be limited to (A) 25 mm (B) 40 mm (C) 65 mm (D) 100 mm

Last Answer : Option C

Consider the following statements relating to foundations on expansive soils: 1. Strength should be improved and compressibility should be reduced. 2. Compressibility should be increased. 3. No stabilization should be done. Which of these statements is/are correct? (a) 1, 2 & 3 (b) 2 only (c) 1 only (d) 3 only

Description : Consider the following statements relating to foundations on expansive soils: 1. Strength should be improved and compressibility should be reduced. 2. Compressibility should be increased. 3. No stabilization should be done. Which of these ... ? (a) 1, 2 & 3 (b) 2 only (c) 1 only (d) 3 only

Last Answer : (c) 1 only

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 %

Which of the following is incorrect? (a) Red soils are rich in iron (b) Black soils are rich in phosphorus nitrogen and organic matter (c) Alluvial soils are rich in potash but poor in phosphorus (d) Red soils are suitable for cultivation of pulses and coarse grains

Description : Which of the following is incorrect? (a) Red soils are rich in iron (b) Black soils are rich in phosphorus nitrogen and organic matter (c) Alluvial soils are rich in potash but poor in phosphorus (d) Red soils are suitable for cultivation of pulses and coarse grains

Last Answer : Ans: (b)

Which one of the following statements is NOT correct? [IAS 2003] (a) Black cotton soil of north-west India was formed by the weathering of basaltic lava rocks (b) Sedimentary rocks are distinguished from other types of rocks by the presence of distinct layers (c) Granite has large crystals of quartz, feldspar and mica in it (d) A metamorphic rock is softer and less compact than its original type

Description : Which one of the following statements is NOT correct? [IAS 2003] (a) Black cotton soil of north-west India was formed by the weathering of basaltic lava rocks (b) Sedimentary rocks are distinguished ... feldspar and mica in it (d) A metamorphic rock is softer and less compact than its original type

Last Answer : Ans: (d)

The maximum permissible differential settlement, in case of foundations in clayey soil, is usually limited to (A) 10 mm (B) 20 mm (C) 30 mm (D) 40 mm

Description : The maximum permissible differential settlement, in case of foundations in clayey soil, is usually limited to (A) 10 mm (B) 20 mm (C) 30 mm (D) 40 mm

Last Answer : Answer: Option D

In case of foundations on sandy soil, maximum permissible differential settlement, is usually limited to (A) 15 mm (B) 25 mm (C) 35 mm (D) 45 m

Description : In case of foundations on sandy soil, maximum permissible differential settlement, is usually limited to (A) 15 mm (B) 25 mm (C) 35 mm (D) 45 mm

Last Answer : Answer: Option B

Rotary drilling is the fastest method in case of (A) Rocky soils (B) Clay soils (C) Sandy soil (D) All of these

Description : Rotary drilling is the fastest method in case of (A) Rocky soils (B) Clay soils (C) Sandy soil (D) All of these

Last Answer : Answer: Option D

Suggest relevant type of foundation with sketch for educational building on black cotton soil with justification.

Description : Suggest relevant type of foundation with sketch for educational building on black cotton soil with justification. 

Last Answer : Black cotton soil- Pile foundation. In case the depth of black cotton soil is more, the following type of foundation may be provided 1. Strip or pad foundation 2. Pier foundation with ... of expansive soil. They are bored cast-in-situ concrete piles having bulb shaped enlarged base.

Why Black Soils are also called ‘Black Cotton Soil’? -SST 10th

Description : Why Black Soils are also called ‘Black Cotton Soil’? -SST 10th

Last Answer : Black Soil is particularly suitable for cotton cultivation. Therefore it is also called ‘Black cotton soil’

Identify the most infertile amongst the following soils. (1) Black cotton soil (2) Alluvial soil (3) Laterite soil (4) Peaty soil

Description : Identify the most infertile amongst the following soils. (1) Black cotton soil (2) Alluvial soil (3) Laterite soil (4) Peaty soil

Last Answer : (3) Laterite soil Explanation: Lateritic soils are the most weathered and infertile of all soil types. Due to intensive leaching and low base-exchange capacity, typical lateritic soils are generally infertile and of little value for crop production (Geography of India by Srntta Sengupta, p 63).

Identify the most infertile amongst the following soils. (1) Black cotton soil (2) Alluvial soil (3) Laterite soil (4) Peaty soil

Description : Identify the most infertile amongst the following soils. (1) Black cotton soil (2) Alluvial soil (3) Laterite soil (4) Peaty soil

Last Answer : Laterite soil

The depth of excavation of foundations, is generally measured with a (A) Ranging rod (B) Steel tape (C) Levelling staff (D) Boning rod

Description : The depth of excavation of foundations, is generally measured with a (A) Ranging rod (B) Steel tape (C) Levelling staff (D) Boning rod

Last Answer : Answer: Option D

According to Rankine's formula, minimum depth of foundations, is (A) (P/w) × [(1 + sin )/(1 - )]² (B) (P/w) × [(1 - sin )/(1 + )]² (C) (P/2w) × [(1 - sin )/(1 + )]² (D) (P/w) × [(1 + sin )/(1 - )]

Description : According to Rankine's formula, minimum depth of foundations, is (A) (P/w) × [(1 + sin )/(1 - )]² (B) (P/w) × [(1 - sin )/(1 + )]² (C) (P/2w) × [(1 - sin )/(1 + )]² (D) (P/w) × [(1 + sin )/(1 - )]

Last Answer : Answer: Option B

California Bearing Ratio method of designing flexible pavements is more accurate as it involves (A) Characteristics of soils (B) Traffic intensities (C) Character of the road making materials (D) None of these

Description : California Bearing Ratio method of designing flexible pavements is more accurate as it involves (A) Characteristics of soils (B) Traffic intensities (C) Character of the road making materials (D) None of these

Last Answer : Answer: Option C

For providing a raft foundation, the following activities are involved 1. Ramming the foundation bed 2. Excavation of the soil upto required depth 3. Laying the reinforcement over the foundation bed 4. Curing the cement concrete placed over reinforcement 5. Pouring the cement concrete over the reinforcement The correct sequence is (A) 1, 2, 3, 4, 5 (B) 5, 4, 3, 2, 1 (C) 2, 1, 3, 5, 4 (D) 3, 2, 5, 1,

Description : For providing a raft foundation, the following activities are involved 1. Ramming the foundation bed 2. Excavation of the soil upto required depth 3. Laying the reinforcement over the foundation bed 4. Curing the cement concrete placed over ... 2, 1 (C) 2, 1, 3, 5, 4 (D) 3, 2, 5, 1, 4

Last Answer : Answer: Option C

The depth of concrete bed of the foundation depends upon (A) The projection of the concrete block beyond the footing over it (B) The upward soil pressure (C) The mix of the concrete (D) All the above

Description : The depth of concrete bed of the foundation depends upon (A) The projection of the concrete block beyond the footing over it (B) The upward soil pressure (C) The mix of the concrete (D) All the above

Last Answer : Answer: Option D

During percussion drilling (A) Ground water observations are hindered due to entry of the slurry in the soil below the bottom of the hole (B) Caving or mixing of strata are caused in soft soils or cohesionless soils (C) The soil to a considerable depth below the bottom of the hole gets disturbed (D) All the above

Description : During percussion drilling (A) Ground water observations are hindered due to entry of the slurry in the soil below the bottom of the hole (B) Caving or mixing of strata are caused in soft soils or ... The soil to a considerable depth below the bottom of the hole gets disturbed (D) All the above

Last Answer : Answer: Option D

Auger boring (A) Is the most primitive method for making a hole in the ground (B) Is generally employed in cohesive and other self soils above water table (C) Is most economical upto a depth of 5 metres (D) All the above

Description : Auger boring (A) Is the most primitive method for making a hole in the ground (B) Is generally employed in cohesive and other self soils above water table (C) Is most economical upto a depth of 5 metres (D) All the above

Last Answer : Answer: Option D

Seepage through foundation in an earthen dam is controlled by providing (A) Rock toe (B) Horizontal blanket (C) Impervious cut off (D) Chimney drain

Description : Seepage through foundation in an earthen dam is controlled by providing (A) Rock toe (B) Horizontal blanket (C) Impervious cut off (D) Chimney drain

Last Answer : Answer: Option C

Pick up the correct statement from the following: (A) The bearing capacity of a pile is defined as the load which can be sustained by the pile without producing excessive settlement (B) The safe bearing capacity of a pile is obtained by dividing the ultimate bearing capacity with a suitable factor of safety (C) The factor of safety for piles is taken as 6 (D) All the above

Description : Pick up the correct statement from the following: (A) The bearing capacity of a pile is defined as the load which can be sustained by the pile without producing excessive settlement (B) The safe bearing capacity ... of safety (C) The factor of safety for piles is taken as 6 (D) All the above

Last Answer : Answer: Option D

Which of the following soils has self-aeration capacity? (a) Alluvial soil (b) Black soil (c) Red soil (d) Mountain soil

Description : Which of the following soils has self-aeration capacity? (a) Alluvial soil (b) Black soil (c) Red soil (d) Mountain soil

Last Answer : (b) Black soil

The most suitable method for drainage of fine grained cohesive soils is (A) Well point system (B) Vacuum method (C) Deep well system (D) Electro-osmosis method

Description : The most suitable method for drainage of fine grained cohesive soils is (A) Well point system (B) Vacuum method (C) Deep well system (D) Electro-osmosis method

Last Answer : Answer: Option D

Pick up the incorrect statement from the following: (A) The width of the wall is constructed thicker at the base in a stepped fashion (B) A long vertical load transferring concrete structure is called a concrete pile (C) In pile which transfers the load to the soil by the friction between the pile and the surrounding soil is called friction pile (D) The pile which transfers the load to a hard rock bed at certain depth is called load bearing

Description : Pick up the incorrect statement from the following: (A) The width of the wall is constructed thicker at the base in a stepped fashion (B) A long vertical load transferring concrete structure is ... ) The pile which transfers the load to a hard rock bed at certain depth is called load bearing

Last Answer : Answer: Option D

Functions of seed drill machine . g. To carry the seeds h. To open furrow to an uniform depth i. To cover the seeds and compact the soil around the seed j. All of the above

Description : Functions of seed drill machine . g. To carry the seeds h. To open furrow to an uniform depth i. To cover the seeds and compact the soil around the seed j. All of the above

Last Answer : All of the above

The maximum total settlement for raft foundation on clayey soils should be limited to (A) 25 mm (B) 25 to 40 mm (C) 40 to 65 mm (D) 65 to 100 mm

Description : The maximum total settlement for raft foundation on clayey soils should be limited to (A) 25 mm (B) 25 to 40 mm (C) 40 to 65 mm (D) 65 to 100 mm

Last Answer : Answer: Option D

For the construction of flyovers in sandy soils, the type of foundation provided, is (A) Strap footing (B) Raft footing (C) Combined footing (D) Pier footing

Description : For the construction of flyovers in sandy soils, the type of foundation provided, is (A) Strap footing (B) Raft footing (C) Combined footing (D) Pier footing

Last Answer : Answer: Option D

Which geographical factors are responsible for the evolution of black soil ? Why is it considered the most suitable for growing cotton ? -SST 10th

Description : Which geographical factors are responsible for the evolution of black soil ? Why is it considered the most suitable for growing cotton ? -SST 10th

Last Answer : (1) Climatic conditions like temperature, rainfall etc. along with present rock material are important factors for making of black soil. The parent rock is volcanic rock. (2) It is ideal for growing ... iv) They develop deep cracks during hot weather, which help in the proper aeration of the soil.

Black soil derived from volcanic rocks with humus is suitable for growing (a) rice (b) wheat (c) cotton (d) grapes

Description : Black soil derived from volcanic rocks with humus is suitable for growing (a) rice (b) wheat (c) cotton (d) grapes

Last Answer : Ans: (c)

For the cultivation of which crop is black soil moat suitable? (a) Cotton (b) Rice (c) Jute (d) Wheat

Description : For the cultivation of which crop is black soil moat suitable? (a) Cotton (b) Rice (c) Jute (d) Wheat

Last Answer : Ans: (a)

Consider the following statements: 1. Alluvial soil is rich in chemical properties and is capable of yielding Rabi and Kharif crops. 2. Black soil is suitable for cotton, groundnut. 3. Rabi crops are reaped in autumn after sowing in June. Which of these statements are correct ? [Asstt Comm PF 2002] (a) 1, 2 and 3 (b) 1 and 2 (c) 2 and 3 (d) 1 and 3

Description : Consider the following statements: 1. Alluvial soil is rich in chemical properties and is capable of yielding Rabi and Kharif crops. 2. Black soil is suitable for cotton, groundnut. 3. Rabi crops are reaped in autumn after sowing in June. ... ] (a) 1, 2 and 3 (b) 1 and 2 (c) 2 and 3 (d) 1 and 3

Last Answer : Ans: (b)