Description : A soil sample has passing 0.075 mm sieve = 60% liquid limit = 65% and plastic limit = 40%. The group index of the soil, is (A) 5 (B) 20 (C) 40 (D) None of these
Last Answer : (D) None of these
Description : 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 (D) Liquid limit minus the natural water content to the plasticity index
Last Answer : (B) Natural water content minus its plastic limit to its plasticity index
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
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
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
Description : Pick up the correct statement from the following: (A) In soils, the flow index indicates variation in shear strength with water content (B) Liquid limit minus plastic limit, is known as plasticity ... Plastic limit minus shrinkage limit, is known as shrinkage index of the soil (D) All the above
Last Answer : Answer: Option D
Description : If 20 kg of coarse aggregate is sieved through 80 mm, 40 mm, 20 mm, 10 mm, 4.75 mm, 2.36 mm, 1.18 mm, 600 micron, 300 micron and 150 micron standard sieves and the weights retained are 0 kg, 2 kg, 8 kg, ... , the fineness modulus of the aggregate, is (A) 7.30 (B) 7.35 (C) 7.40 (D) 7.45
Last Answer : Answer: Option C
Description : The consistency index of soil is a) (Natural water content - liquid limit) / plasticity index b) (Natural water content - liquid limit )/ liquidity index c) (Liquid limit - natural water content)/ consistency index d) (Liquid limit - natural water content)/plasticity index*
Last Answer : d) (Liquid limit - natural water content)/plasticity index*
Description : The numerical difference between the liquid limit and plastic limit of a soil is known as a) Liquidity index b) Plasticity index * c) Shrinkage index d) Consistency index
Last Answer : b) Plasticity index *
Description : 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
Last Answer : (A) Liquid limit and plastic limit
Description : 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 ... in both liquid limit and plasticity index (D) Increase in both liquid limit and plasticity index
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
Description : Pick up the correct statement from the following: (A) The range of water content between the liquid limit and plastic limit is called plasticity index (B) The ratio of the liquid limit minus ... content minus its plastic limit to its plasticity index is called liquidity index (D) All the above
Description : In soils having same values of plasticity index, if liquid limit is increased, then (A) Compressibility and permeability decrease and dry strength increases (B) Compressibility, ... permeability and dry strength increase (D) Compressibility and permeability increase and dry strength decreases
Description : 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
Last Answer : (B) 7< PI < 17
Description : Plasticity index represents the range of water content between a) Liquid and plastic limit * b) Plastic limit and semi solid limit c) Semisolid Limit and liquid limit d) Liquid limit and solid limit.
Last Answer : a) Liquid and plastic limit *
Description : Define Liquid limit, Plastic Limit, Shrinkage limit and Plasticity index.
Last Answer : Liquid limit (WL) - It is minimum water content at which two separated grooved soil parts mixed together under 25 blows of casagrande's liquid limit apparatus; is called as liquid limit. Plastic limit (Wp ... difference between the liquid limit (WL) and plastic limit (Wp). IP = WL - Wp
Description : The value of compression index for a remoulded sample whose liquid limit is 50% is (A) 0.028 (B) 0.28 (C) 036 (D) 0.036
Last Answer : (B) 0.28
Description : If aggregates completely pass through a sieve of size 75 mm and are retained on a sieve of size 60 mm, the particular aggregate will be flaky if its minimum dimension is less than (A) 20.5 mm (B) 30.5 mm (C) 40.5 mm (D) 50.5 mm
Description : the plasticity index of a soil mass is zero, the soil is (A) Sand (B) Silt (C) Clay (D) Clayey silt
Last Answer : (A) Sand
Description : If the natural moisture content, the liquid limit and plastic limit of a soil sample are stated as 30.5%, 42.5% and 22.5% respectively, the ratio of liquidity index and plastic index, is (A) (B) ½ (C) 2 (D) 2½
Description : The compression index of a soil (A) Decreases with an increase in the liquid limit (B) Increases with an increase in the liquid limit (C) Decreases with an increase in the plastic limit (D) Is not related with plastic limit
Description : Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. (A) 0.007 (B) 0.30 (C) 50 (D) 0.014
Last Answer : (B) 0.30
Description : I.S. Sieve Nos. 10 mm and 4.75 mm are generally used for grading of (A) Coarse aggregates (B) Fine aggregates (C) Neither (a) nor (b) (D) Both (a) and (b)
Description : If a grading curve is horizontal between the portions of 20 mm I.S. Sieve and 4.75 mm I.S. Sieve, the graded aggregates do not contain (A) 20 mm particles (B) 10 mm particles (C) 4.75 mm particles (D) All the above
Description : An intense rain is falling at a uniform rate of 7.5 cm/hour for a period of 60 minutes on a basin whose area is 500 hectares. If the average infiltration capacity during the entire rain period is assumed to be 1.5 ... of the basin, is (A) 40 cumecs (B) 60 cumecs (C) 80 cumecs (D) 100 cumecs
Description : The property of soil which allows it to be deformed rapidly, without rupture, without elastic rebound and without volume change is known as a) Porosity b) Plasticity* c) Stiffness d) Plastic limit
Last Answer : b) Plasticity*
Description : To provide inverted filter to improve the hearing capacity of soil the plasticity index of blanketing material should not be greater than a) 15* b) 20 c) 27 d) 35
Last Answer : a) 15*
Description : Define plasticity index and classify soil on its basis.
Last Answer : a) Plasticity index (Ip) It is give measure of degree of plasticity of soil. It is difference be liquid limit and plastic limit Ip = WL - Wp Greater plasticity index, the greater is degree of plasticity of the soil. ... based on Ip i) Non plastic soil If wp = o Ip = wL ii) Plastic soil
Description : Which of the following soils has more plasticity index? (A) Sand (B) Silt (C) Clay (D) Gravel
Last Answer : (C) Clay
Description : 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
Last Answer : (B) Plasticity index to flow index
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
Description : The aggregate which pass through 75mm IS sieve and entirely retain on 4.75 IS sieve is known as (a) Cyclopean aggregate (b) Coarse aggregate (c)Fine aggregate (d) Aall-in-aggregate
Last Answer : (b) Coarse aggregate
Description : Pick up the correct statement about silt soil from the following: (A) The silt soil has particle size from 0.02 mm to 0.06 mm (B) In organic fine grained silt soil possesses no ... The least plastic type normally consists of more or less equidimensional grains of quartz (D) All the above
Description : Work index is defined as the (A) Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen (B) Energy needed to crush ... of the product passes a 200 mesh screen (D) Energy needed to crush one ton of feed to 100 microns
Last Answer : (A) Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen
Description : How many gsm in 75 micron?
Last Answer : Need answer
Description : If voids ratio is 0.67, water content is 0.188 and specific gravity is 2.68, the degree of saturation of the soil, is (A) 25 % (B) 40 % (C) 60 % (D) 75 %
Description : For an ordinary Portland cement (A) Residual does not exceed 10% when sieved through IS Sieve No. 9 (B) Soundness varies from 5 to 10 mm (C) Initial setting time is not less than 30 minutes (D) Compressive stress after 7 days, is not less than 175 kg/cm2
Last Answer : (C) Initial setting time is not less than 30 minutes
Description : Percentage content of silica in window glass, is (A) 40 to 45 (B) 50 to 55 (C) 60 to 65 (D) 70 to 75
Description : In a liquid limit test, the moisture content at 10 blows was 70% and that at 100 blows was 20%. The liquid limit of the soil, is (A) 35 % (B) 50 % (C) 65 % (D) None of these
Description : Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. (A) 80 and 97 (B) 95 and 100 (C) 40 and 70 (D) 25 and 97
Last Answer : (A) 80 and 97
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
Description : For the determination of shear strength parameters, c and , of soil in the laboratory, the test to be conducted will be (a) Triaxial compression test (b) Sieve analysis (c) Compaction test (d) Relative density test
Last Answer : (a) Triaxial compression test
Description : Most chemical plants use an initial working capital amounting to 10- 20% of the total capital investment. But this percentage may increase to __________ percent in case of seasonal products manufacturing plant. (A) 30 (B) 50 (C) 75 (D) 95
Last Answer : (B) 50
Description : Purchased cost of equipments for a chemical process plant ranges from __________ percent of the fixed capital investment. (A) 10 to 20 (B) 20 to 40 (C) 45 to 60 (D) 65 to 75
Last Answer : (B) 20 to 40
Description : When stress is increased beyond elastic limit and material is permanently changed this property is a) Permanent stress b) Elasticity c) Yield strength d) Plasticity
Last Answer : d) Plasticity
Description : Define: (i) Water content (ii) Plasticity index
Last Answer : (i) Water It is the ratio of weight of water to weight of soil solids, measured in percentage, called as water content. (ii) Plasticity Index: It is numerical difference between liquid limit and plastic limit values of one particular soil, called as plasticity index.
Description : The maximum water content at which a reduction in water content does not cause a decrease in volume of a soil mass, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit
Last Answer : (C) Shrinkage limit
Description : The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit
Last Answer : (A) Liquid limit
Description : The minimum water content at which the soil just begins to crumble when rolled into threads 3 mm in diameter, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit
Last Answer : (B) Plastic limit