Percussion drilling is unsuitable in (A) Unconsolidated sand (B) Unconsolidated gravel (C) Quick sand (D) Consolidated rocks

Percussion drilling is unsuitable in 

(A) Unconsolidated sand 

(B) Unconsolidated gravel 

(C) Quick sand 

(D) Consolidated rocks 

by

1 Answer

Answer :

(D) Consolidated rocks 

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Related questions

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

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

A solid core of rock is formed inside the cylinder in the case of (A) Auger boring (B) Percussion drilling (C) Diamond drilling (D) Wash boring

Description : A solid core of rock is formed inside the cylinder in the case of (A) Auger boring (B) Percussion drilling (C) Diamond drilling (D) Wash boring

Last Answer : Answer: Option C

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

Rotary drilling (A) Is not suitable for deposits containing very coarse gravel (B) Hinders the ground water observations and permeability test (C) Is not economical for holes of less than 10 cm (D) All the abov

Description : Rotary drilling (A) Is not suitable for deposits containing very coarse gravel (B) Hinders the ground water observations and permeability test (C) Is not economical for holes of less than 10 cm (D) All the above

Last Answer : Answer: Option D

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

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

For a loose sand sample and a dense sand sample consolidated to the same effective stress (A) Ultimate strength is same and also peak strength is same (B) Ultimate strength is different but peak strength is same (C) Ultimate strength is same but peak strength of dense sand is greater than that of loose sand (D) Ultimate strength is same but peak

Description : For a loose sand sample and a dense sand sample consolidated to the same effective stress (A) Ultimate strength is same and also peak strength is same (B) Ultimate strength is different but peak strength ... of dense sand is greater than that of loose sand (D) Ultimate strength is same but peak

Last Answer : (C) Ultimate strength is same but peak strength of dense sand is greater than that of loose sand

Which one of the following clays behaves like a dense sand? (A) Over-consolidated clay with a high over-consolidation ratio (B) Over-consolidated clay with a low over-consolidation ratio (C) Normally consolidated clay (D) Under-consolidated clay

Description : Which one of the following clays behaves like a dense sand? (A) Over-consolidated clay with a high over-consolidation ratio (B) Over-consolidated clay with a low over-consolidation ratio (C) Normally consolidated clay (D) Under-consolidated clay

Last Answer : Answer: Option A

(C)A well is considered to be good if it is sunk into (A) Clay (B) Sand (C) Coarse gravel (D) Silt

Description : A well is considered to be good if it is sunk into (A) Clay (B) Sand (C) Coarse gravel (D) Silt

Last Answer : (C) Coarse gravel

A well is considered to be good if it is sunk into (A) Clay (B) Sand (C) Coarse gravel (D) Silt

Description : A well is considered to be good if it is sunk into (A) Clay (B) Sand (C) Coarse gravel (D) Silt

Last Answer : (C) Coarse gravel

The specific retention is least in case of (A) Clay (B) Sand (C) Silt (D) Coarse gravel

Description : The specific retention is least in case of (A) Clay (B) Sand (C) Silt (D) Coarse gravel

Last Answer : (D) Coarse gravel

Which of the following soils has more plasticity index? (A) Sand (B) Silt (C) Clay (D) Gravel

Description : Which of the following soils has more plasticity index? (A) Sand (B) Silt (C) Clay (D) Gravel

Last Answer : (C) Clay

If the permeability of a soil is 0.8 mm/sec, the type of soil is (A) Gravel (B) Sand (C) Silt (D) Clay

Description : If the permeability of a soil is 0.8 mm/sec, the type of soil is (A) Gravel (B) Sand (C) Silt (D) Clay

Last Answer : (B) Sand

For a given size of bucket, the ideal output of a dragline will be least in (A) Moist loam (B) Sand and gravel (C) Good common earth (D) Wet sticky clay

Description : For a given size of bucket, the ideal output of a dragline will be least in (A) Moist loam (B) Sand and gravel (C) Good common earth (D) Wet sticky clay

Last Answer : (D) Wet sticky clay

Pick up the correct statement from the following: (A) Water enables chemical reaction to take place with cement (B) Water lubricates the mixture of gravel, sand and cement (C) Strength of concrete structure largely depends upon its workability (D) All the above

Description : Pick up the correct statement from the following: (A) Water enables chemical reaction to take place with cement (B) Water lubricates the mixture of gravel, sand and cement (C) Strength of concrete structure largely depends upon its workability (D) All the above

Last Answer : (D) All the above

Particles of 0.002 mm size are that of (A) Clay (B) Sand (C) Gravel (D) None of these

Description : Particles of 0.002 mm size are that of (A) Clay (B) Sand (C) Gravel (D) None of these

Last Answer : Answer: Option A

Good quality sand is never obtained from (A) River (B) Lake (C) Sea (D) Gravel powder

Description : Good quality sand is never obtained from (A) River (B) Lake (C) Sea (D) Gravel powder

Last Answer : Answer: Option C

Pick up the rock which is not a sedimentary rock from the following: (A) Gravel (B) Sand stone (C) Gypsum (D) Dolerite

Description : Pick up the rock which is not a sedimentary rock from the following: (A) Gravel (B) Sand stone (C) Gypsum (D) Dolerite

Last Answer : Answer: Option D

Consider the following statements. The role of the gravel bed in a rapid sand filter is : 1. To filter out large suspended matter 2. To support the sand bed above it 3. To prevent the escape of sand particles 4. To uniformly distribute the backwash water 5. To prevent algae growth Which of the following statements are correct ? a) 1, 2, 3, 4 and 5 b) 2, 3 and 4 only c) 3, 4 and 5 only d) 1, 2 and 3 only

Description : Consider the following statements. The role of the gravel bed in a rapid sand filter is : 1. To filter out large suspended matter 2. To support the sand bed above it 3. To prevent the escape of sand particles 4. To uniformly ... and 5 b) 2, 3 and 4 only c) 3, 4 and 5 only d) 1, 2 and 3 only

Last Answer : b) 2, 3 and 4 only

For reinforced concrete, the aggregate used is (a) Sand (b) Gravel (c) Crushed rock (d) All of these

Description : For reinforced concrete, the aggregate used is (a) Sand (b) Gravel (c) Crushed rock (d) All of these

Last Answer : (d) All of these

Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the (A) Light metal powder down upto 4 mesh size (B) Dry chemicals (C) Heavy tonnages of rocks or gravel (D) Powdered food & granular materials

Description : Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the ... Dry chemicals (C) Heavy tonnages of rocks or gravel (D) Powdered food & granular materials

Last Answer : (C) Heavy tonnages of rocks or gravel

For different layers of cement concrete floor. Pick up the incorrect statement from the following: (A) The lowest layer consists of consolidated ground (B) A 10 cm thick clean sand is laid on consolidated ground (C) A 10 cm lime concrete (1 : 4 : 8) is laid on clean sand (D) A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer

Description : For different layers of cement concrete floor. Pick up the incorrect statement from the following: (A) The lowest layer consists of consolidated ground (B) A 10 cm thick clean sand is laid on consolidated ground (C) ... sand (D) A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer

Last Answer : Option D

If I'm building a patio out of big flagstones, do I need to put down a layer of gravel or sand under the stones.

Description : If I'm building a patio out of big flagstones, do I need to put down a layer of gravel or sand under the stones.

Last Answer : answer:Absolutely. It will help with drainage and also make it easier to get them level. Edit :: I should add that I helped my BIL do this a few times and he is a licensed contractor and electrician.

While mixing sand, gravel, and cement for the foundation of a house, a worker noticed a small bird hopping along the top of the foundation wall. The bird misjudged a hop and fell down one of the holes between the blocks. The bird was down too far for anyone to reach it and the hole was too small for it to fly out of. Someone suggested using two sticks to reach down into the hole and pull the bird out, but this idea was rejected for fear it would injure the fragile bird. What would be the easiest way to get the bird out of the hole without injuring it? -Riddles

Description : While mixing sand, gravel, and cement for the foundation of a house, a worker noticed a small bird hopping along the top of the foundation wall. The bird misjudged a hop and fell down one of the holes ... . What would be the easiest way to get the bird out of the hole without injuring it? -Riddles

Last Answer : Since they had plenty of sand available, they could pour a little at a time into the hole. The bird would constantly keep shifting its position so that it stood on the rising sand.

Is sand and gravel a solution?

Description : Is sand and gravel a solution?

Last Answer : Nope... it's a mixture.

How Continental deposit of gravel and sand?

Description : How Continental deposit of gravel and sand?

Last Answer : What is the answer ?

Is separating sand from gravel a chemical change or physical change?

Description : Is separating sand from gravel a chemical change or physical change?

Last Answer : It's Physical your just separating your not mixing chemicals and what not(:

Which of the following is the correct order of increasing size of the grains of soil particles? 1. Clay 2. Silt 3. Sand 4. Gravel (a) BCDA (b) ABCD (c) DCBA (d) ADCB

Description : Which of the following is the correct order of increasing size of the grains of soil particles? 1. Clay 2. Silt 3. Sand 4. Gravel (a) BCDA (b) ABCD (c) DCBA (d) ADCB

Last Answer : Ans: (b)

Cement mixed with gravel; sand and water is called?

Description : Cement mixed with gravel; sand and water is called?

Last Answer : Concrete

Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor. (A) Flight (B) Slat or drag (C) Ribbon (D) Screw

Description : Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor. (A) Flight (B) Slat or drag (C) Ribbon (D) Screw

Last Answer : (D) Screw

Deep black soil is productive due to high proportion of (a) sand and zinc (b) gravel and calcium (c) clay and humus (d) silt and earthworm.

Description : Deep black soil is productive due to high proportion of (a) sand and zinc (b) gravel and calcium (c) clay and humus (d) silt and earthworm.

Last Answer : (c) clay and humus

A rock composed of cemented sand and gravel is: w) shale x) conglomerate y) granite z) marble

Description : A rock composed of cemented sand and gravel is: w) shale x) conglomerate y) granite z) marble

Last Answer : ANSWER: X -- CONGLOMERATE

Which of the following sedimentary rocks changes into quartzite by metamorphic action? (A) Sand stone (B) Lime stone (C) Shale (D) Gypsum

Description : Which of the following sedimentary rocks changes into quartzite by metamorphic action? (A) Sand stone (B) Lime stone (C) Shale (D) Gypsum

Last Answer : Answer: Option A

Which one of the following rocks is used for monumental buildings? (A) Granite (B) Marble (C) Sand stone (D) Slate

Description : Which one of the following rocks is used for monumental buildings? (A) Granite (B) Marble (C) Sand stone (D) Slate

Last Answer : Answer: Option B

Pick up the correct statement from the following: (A) Sand consists of coarse particles of silica formed due to the disintegration of rocks (B) The grains of sand are not affected by frost (C) Sand beds are permeable and do not allow water to rise up between pores due to capillary action (D) All the above

Description : Pick up the correct statement from the following: (A) Sand consists of coarse particles of silica formed due to the disintegration of rocks (B) The grains of sand are not affected by frost (C) Sand ... and do not allow water to rise up between pores due to capillary action (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) The phenomenon of quicksand generally occurs in the cohesionless soil (B) At critical hydraulic gradient, the saturated sand becomes quick (C) The critical gradient depends on the void ratio and the specific gravity (D) All the above

Description : Pick up the correct statement from the following: (A) The phenomenon of quicksand generally occurs in the cohesionless soil (B) At critical hydraulic gradient, the saturated sand becomes quick (C) The critical gradient depends on the void ratio and the specific gravity (D) All the above

Last Answer : (D) All the above

If the unit weight of sand particles is 2.696 g/cc. and porosity in loose state is 44%, the critical hydraulic gradient for quick sand condition, is (A) 0.91 (B) 0.92 (C) 0.93 (D) 0.95

Description : If the unit weight of sand particles is 2.696 g/cc. and porosity in loose state is 44%, the critical hydraulic gradient for quick sand condition, is (A) 0.91 (B) 0.92 (C) 0.93 (D) 0.95

Last Answer : (D) 0.95

The hydraulic head that would produce a quick condition in a sand stratum of thickness 1.5 m, specific gravity 2.67 and voids ratio 0.67 is equal to(A) 1.0 m (B) 1.5 m (C) 2.0 m (D) 3 m

Description : The hydraulic head that would produce a quick condition in a sand stratum of thickness 1.5 m, specific gravity 2.67 and voids ratio 0.67 is equal to (A) 1.0 m (B) 1.5 m (C) 2.0 m (D) 3 m

Last Answer : (B) 1.5 m

A coarse-grained soil has a voids ratio 0.75, and specific gravity as 2.75. The critical gradient at which quick sand condition occurs, is (A) 0.25 (B) 0.50 (C) 0.75 (D) 1.00

Description : A coarse-grained soil has a voids ratio 0.75, and specific gravity as 2.75. The critical gradient at which quick sand condition occurs, is (A) 0.25 (B) 0.50 (C) 0.75 (D) 1.00

Last Answer : (D) 1.00

Quick sand is a (A) Type of sand (B) Flow condition occurring in cohesive soils (C) Flow condition occurring in cohesion-less soils (D) Flow condition occurring in both cohesive and cohesion-less soils

Description : Quick sand is a (A) Type of sand (B) Flow condition occurring in cohesive soils (C) Flow condition occurring in cohesion-less soils (D) Flow condition occurring in both cohesive and cohesion-less soils

Last Answer : (A) Type of sand

For proper field control, which of the following methods is best suited for quick determination of water content of a soil mass? (A) Oven drying method (B) Sand bath method (C) Alcohol method (D) Calcium carbide method

Description : For proper field control, which of the following methods is best suited for quick determination of water content of a soil mass? (A) Oven drying method (B) Sand bath method (C) Alcohol method (D) Calcium carbide method

Last Answer : Answer: Option D

When the seepage pressure becomes equal to the pressure due to submerged weight of a soil, the effective pressure is reduced to zero and the soil particles have a tendency to move up in the direction of flow. This phenomenon is generally known (A) Quick condition (B) Boiling condition (C) Quick sand (D) All the above

Description : When the seepage pressure becomes equal to the pressure due to submerged weight of a soil, the effective pressure is reduced to zero and the soil particles have a tendency to move up in the direction of flow. ... known (A) Quick condition (B) Boiling condition (C) Quick sand (D) All the above

Last Answer : Answer: Option D

The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be (A) r/2 (B) 2r/3 (C) r/A (D) 3r/2

Description : The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be  (A) r/2  (B) 2r/3  (C) r/A (D) 3r/2 

Last Answer : (D) 3r/2 

Center of percussion is (A) The point of C.G. (B) The point of metacentre (C) The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis (D) Point of suspension

Description : Center of percussion is  (A) The point of C.G.  (B) The point of metacentre  (C) The point of application of the resultant of all the forces tending to cause a body to rotate  about a certain axis  (D) Point of suspension

Last Answer : (C) The point of application of the resultant of all the forces tending to cause a body to rotate  about a certain axis 

If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be (A) Maximum (B) Minimum (C) Zero (D) Infinity

Description : If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be (A) Maximum (B) Minimum (C) Zero (D) Infinity

Last Answer : (C) Zero

The strainer type tube well, is unsuitable for (A) Coarse gravels (B) Fine sandy strata (C) Clean gravels (D) None of these

Description : The strainer type tube well, is unsuitable for (A) Coarse gravels (B) Fine sandy strata (C) Clean gravels (D) None of these

Last Answer : (B) Fine sandy strata

If aggregate impact value is 20 to 30 percent, then it is classified as (A) Exceptionally strong (B) Strong (C) Satisfactory for road surfacing (D) Unsuitable for road surfacing

Description : If aggregate impact value is 20 to 30 percent, then it is classified as (A) Exceptionally strong (B) Strong (C) Satisfactory for road surfacing (D) Unsuitable for road surfacing

Last Answer : Answer: Option C

Concrete is unsuitable for compaction by a vibrator if it is (A) Dry (B) Earth moist (C) Semi-plastic (D) Plastic

Description : Concrete is unsuitable for compaction by a vibrator if it is (A) Dry (B) Earth moist (C) Semi-plastic (D) Plastic

Last Answer : Answer: Option D

For light and ornamental casting, the most unsuitable pig iron, is (A) Bessemer pig (B) Grey or foundry pig (C) White or forge pig (D) Mottled pig

Description : For light and ornamental casting, the most unsuitable pig iron, is (A) Bessemer pig (B) Grey or foundry pig (C) White or forge pig (D) Mottled pig

Last Answer : Answer: Option D