Highway Research Board (HRB) classification of soils is based on (A) Particle size composition (B) Plasticity characteristics (C) Both particle size composition and plasticity characteristics (D) None of the above

Highway Research Board (HRB) classification of soils is based on
(A) Particle size composition
(B) Plasticity characteristics
(C) Both particle size composition and plasticity characteristics
(D) None of the above
by

1 Answer

Answer :

(C) Both particle size composition and plasticity characteristics
by

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Soil classification of composite soils, exclusively based on the particle size distribution, is known (A) Particle classification (B) Textural classification (C) High Way Research Board classification (D) Unified soil classification

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The property by which a body returns to its original shape after removal of the force, is called (A) Plasticity (B) Elasticity (C) Ductility (D) Malleability

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The property of a material by which it can be drawn to a smaller section, due to tension, is called (A) Plasticity (B) Ductility (C) Elasticity (D) Malleability

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The plasticity index is the numerical difference between (A) Liquid limit and plastic limit (B) Plastic limit and shrinkage limit (C) Liquid limit and shrinkage limit (D) None of these

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Last Answer : (A) Liquid limit and plastic limit

The liquidity index is defined as a ratio expressed as percentage of (A) Plastic limit minus the natural water content, to its plasticity index (B) Natural water content minus its plastic limit to its plasticity index (C) Natural water content plus its plastic limit to its plasticity index (D) Liquid limit minus the natural water content to the plasticity index

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According to Atterberg, the soil is said to be of medium plasticity if the plasticity index PI is (A) 0 < PI < 7 (B) 7< PI < 17 (C) 17 < PI <27 (D) PI > 27

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Fine sand possesses (A) Good plasticity (B) Limited plasticity (C) Reasonable plasticity (D) Clay

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the plasticity index of a soil mass is zero, the soil is (A) Sand (B) Silt (C) Clay (D) Clayey silt

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Toughness index is defined as the ratio of (A) Plasticity index to consistency index (B) Plasticity index to flow index (C) Liquidity index to flow index (D) Consistency index to liquidity index

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Last Answer : (B) Plasticity index to flow index

When the plastic limit of a soil is greater than the liquid limit, then the plasticity index is reported as (A) Negative (B) Zero (C) Non-plastic (NP) (D) 1

Description : When the plastic limit of a soil is greater than the liquid limit, then the plasticity index is reported as (A) Negative (B) Zero (C) Non-plastic (NP) (D) 1

Last Answer : (B) Zero

The consistency index of a soil is defined as the ratio of (A) Liquid limit plus the natural water content to the plasticity index of the soil (B) Liquid limit minus the natural water content to the plasticity index of the soil (C) Natural water content of a soil minus plastic limit to the plasticity index of the soil (D) Natural water content of a soil plus its plastic limit to the plasticity index of the soil

Description : The consistency index of a soil is defined as the ratio of (A) Liquid limit plus the natural water content to the plasticity index of the soil (B) Liquid limit minus the natural water content to ... (D) Natural water content of a soil plus its plastic limit to the plasticity index of the soil

Last Answer : Answer: Option B

The water content of soil, which represents the boundary between plastic state and liquid state, is known as (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Plasticity index

Description : The water content of soil, which represents the boundary between plastic state and liquid state, is known as (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Plasticity index

Last Answer : Answer: Option A

Plasticity index is defined as the range of water content between (A) Liquid and plastic limit (B) Plastic limit and semi solid limit (C) Semi-solid limit and liquid limit (D) Liquid limit and solid limit

Description : Plasticity index is defined as the range of water content between (A) Liquid and plastic limit (B) Plastic limit and semi solid limit (C) Semi-solid limit and liquid limit (D) Liquid limit and solid limit

Last Answer : Answer: Option A

The property of a soil which allows it to be deformed rapidly without rupture, elastic rebound and also a volume change, is known (A) Porosity (B) Plasticity (C) Permeability (D) Ductility

Description : The property of a soil which allows it to be deformed rapidly without rupture, elastic rebound and also a volume change, is known (A) Porosity (B) Plasticity (C) Permeability (D) Ductility

Last Answer : Answer: Option B

The group index for a soil, whose liquid limit is 40 percent, plasticity index is 10 percent and percentage passing 75 micron IS sieve (A) 0 (B) 3 (C) 5 (D) 7

Description : The group index for a soil, whose liquid limit is 40 percent, plasticity index is 10 percent and percentage passing 75 micron IS sieve (A) 0 (B) 3 (C) 5 (D) 7

Last Answer : Answer: Option A

For preparing porcelains, the clay should be (A) Sufficiently pure (B) Of high degree of tenacity (C) Of good plasticity (D) All the above

Description : For preparing porcelains, the clay should be (A) Sufficiently pure (B) Of high degree of tenacity (C) Of good plasticity (D) All the above

Last Answer : Answer: Option D

The main function of alumina in brick earth is (A) To impart plasticity (B) To make the brick durable (C) To prevent shrinkage (D) To make the brick impermeable

Description : The main function of alumina in brick earth is (A) To impart plasticity (B) To make the brick durable (C) To prevent shrinkage (D) To make the brick impermeable

Last Answer : Answer: Option A

Critical shear stress of cohesive sediment (a) Decreases with the void ratio for a given plasticity index (b) Increases with the plasticity index for a given void ratio (c) Increases with shear strength for a given clay content (d) All of the above.

Description : Critical shear stress of cohesive sediment (a) Decreases with the void ratio for a given plasticity index (b) Increases with the plasticity index for a given void ratio (c) Increases with shear strength for a given clay content (d) All of the above.

Last Answer : (c) Increases with shear strength for a given clay content

The characteristics of a research is Options: A) Serious and intensive study B) Wisdom C) Based on standardized conclusions D) All the above

Description : The characteristics of a research is Options: A) Serious and intensive study B) Wisdom C) Based on standardized conclusions D) All the above

Last Answer : D) All the above

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Last Answer : Answer: Option A