Which of the following is a measure of particle size range? (A) Effective size (B) Uniformity coefficient(C) Coefficient of curvature (D) None of the above

Which of the following is a measure of particle size range?
(A) Effective size
(B) Uniformity coefficient
(C) Coefficient of curvature
(D) None of the above
by

1 Answer

Answer :

Answer: Option B
by

Related questions

Which of the following statements is correct? (A) Uniformity coefficient represents the shape of the particle size distribution curve. (B) For a well graded soil, both uniformity coefficient and coefficient of curvature are nearly unity. (C) A soil is said to be well graded if it has most of the particles of about the same size (D) None of the above

Description : Which of the following statements is correct? (A) Uniformity coefficient represents the shape of the particle size distribution curve. (B) For a well graded soil, both uniformity coefficient and coefficient of ... if it has most of the particles of about the same size (D) None of the above

Last Answer : Answer: Option D

Define coefficient of uniformity and coefficient of curvature. Calculate Cu and Cc if D10 = 0.90 mm, D30 = 1.18 mm, D60 = 2.30 mm.

Description : Define coefficient of uniformity and coefficient of curvature. Calculate Cu and Cc if D10 = 0.90 mm, D30 = 1.18 mm, D60 = 2.30 mm.

Last Answer : Coefficient of uniformity: It is the ratio of D60 to D10 values of soil from particle size distribution curve, called as coefficient of uniformity. Coefficient of curvature: It is the ratio of square of D30 to product of D10 and D60 values of coefficient of curvature.

The U.C. (uniformity coefficient) D60/D10 for the best filter media sand should be (A) 2 (B) 3 (C) 4 (D) 5

Description : The U.C. (uniformity coefficient) D60/D10 for the best filter media sand should be  (A) 2  (B) 3  (C) 4  (D) 5

Last Answer : (A) 2

Uniformity coefficient of a soil is (A) Always less than 1 (B) Always equal to 1 (C) Equal to or less than 1 (D) Equal to or greater than 1

Description : Uniformity coefficient of a soil is (A) Always less than 1 (B) Always equal to 1 (C) Equal to or less than 1 (D) Equal to or greater than 1

Last Answer : (D) Equal to or greater than 1

Select the correct statement. (A) A uniform soil has more strength and stability than a nonuniform soil (B) A uniform soil has less strength and stability than a nonuniform soil (C) Uniformity coefficient does not affect strength and stability (D) Uniformity coefficient of a poorly graded soil is more than that of a well graded soil

Description : Select the correct statement. (A) A uniform soil has more strength and stability than a nonuniform soil (B) A uniform soil has less strength and stability than a nonuniform soil (C) Uniformity ... (D) Uniformity coefficient of a poorly graded soil is more than that of a well graded soil

Last Answer : Answer: Option B

The coefficient of curvature is defined (A) D60/D10 (B) D10/D60 (C) D30 ²/D60 D10 (D) D10 ²/ D30 D60

Description : The coefficient of curvature is defined (A) D60/D10 (B) D10/D60 (C) D30 ²/D60 D10 (D) D10 ²/ D30 D60

Last Answer : (C) D30 ²/D60 D10

The coefficient of curvature for a well graded soil, must be between (A) 0.5 to 1.0 (B) 1.0 to 3.0 (C) 3.0 to 4.0 (D) 4.0 to 5.0

Description : The coefficient of curvature for a well graded soil, must be between (A) 0.5 to 1.0 (B) 1.0 to 3.0 (C) 3.0 to 4.0 (D) 4.0 to 5.0

Last Answer : (B) 1.0 to 3.0

Uniformity measure of a planter is a) Equal seed spacing b) Equal number of seed dropped per hill c) Minimum variation in different openers d) All of the above Ans. d

Description : Uniformity measure of a planter is a) Equal seed spacing b) Equal number of seed dropped per hill c) Minimum variation in different openers d) All of the above Ans. d

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In closed circuit grinding as compared to open circuit grinding, the (A) Specific surface of product is more (B) Product has lesser size uniformity (C) Production rate at a given limiting size is lower (D) Operation is economical

Description : In closed circuit grinding as compared to open circuit grinding, the (A) Specific surface of product is more (B) Product has lesser size uniformity (C) Production rate at a given limiting size is lower (D) Operation is economical

Last Answer : (D) Operation is economical

Hybrid vigor in vegetables is manifested by a. High yield b. Uniformity in size c. Uniformity in maturity d. All of above

Description : Hybrid vigor in vegetables is manifested by a. High yield b. Uniformity in size c. Uniformity in maturity d. All of above

Last Answer : All of above

The uniformity of a gas fluidised bed depends upon the __________ of the solid particles. (A) Size (B) Surface properties (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : The uniformity of a gas fluidised bed depends upon the __________ of the solid particles. (A) Size (B) Surface properties (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known (A) Grading (B) Curing (C) Mixing (D) Batching

Description : The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known (A) Grading (B) Curing (C) Mixing (D) Batching

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Pick up the incorrect statement from the following. While performing preliminary test on concrete (A) Proportions of the material and water should be the same as to be used at the work site (B) Cement should be mixed by hand in order to maintain uniformity (C) Concrete mix should be stored in air-tight containers (D) Concrete ingredients should be kept at a temperature of 37° ± 2°C

Description : Pick up the incorrect statement from the following. While performing preliminary test on concrete (A) Proportions of the material and water should be the same as to be used at the work site (B) ... in air-tight containers (D) Concrete ingredients should be kept at a temperature of 37° 2°C

Last Answer : Answer: Option D

The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known as [ A ] Curing [ B ] Mixing [ C ] Grading [ D ] Batching

Description : The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known as [ A ] Curing [ B ] Mixing [ C ] Grading [ D ] Batching

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Knot is a measure of – (1) The speed of ship (2) The curvature of spherical objects (3) Solar radiation (4) Intensity of earthquake shock

Description : Knot is a measure of – (1) The speed of ship (2) The curvature of spherical objects (3) Solar radiation (4) Intensity of earthquake shock

Last Answer : (1) The speed of ship Explanation: The knot (pronounced not) is a unit of speed equal to one nautical mile (1.852 km) per hour, approximately 1.151 mph. There is no standard abbreviation but km is commonly used. The knot is a non-SI unit accepted for use with the International System of Units (SI).

Knot is a measure of – (1) Unit of speed (2) the curvature of spherical objects (3) solar radiation (4) intensiry of earthquake shock

Description : Knot is a measure of – (1) Unit of speed (2) the curvature of spherical objects (3) solar radiation (4) intensiry of earthquake shock

Last Answer : (1) Unit of speed Explanation: The Knot is a unit of speed equal to one nautical mile per hour. The ISO standerd symbol for the knot is Kn.

Knot is a measure of (1) The speed of ship (2) The curvature of spherical objects (3) Solar radiation (4) Intensity of earthquake shock

Description : Knot is a measure of (1) The speed of ship (2) The curvature of spherical objects (3) Solar radiation (4) Intensity of earthquake shock

Last Answer : The speed of ship

Particle size range in which dust catcher (gravity settling chamber) works most effectively and efficiently is __________ microns. (A) < 5 (B) 10 to 25 (C) < 74 (D) > 1000

Description : Particle size range in which dust catcher (gravity settling chamber) works most effectively and efficiently is __________ microns. (A) < 5 (B) 10 to 25 (C) < 74 (D) > 1000

Last Answer : (C) < 74

Brownian movement is prominent in the particle size range of __________ microns in case of settling of a particle in a fluid. (A) 2 to 3 (B) 0.01 to 0.10 (C) 200 to 300 (D) 100 to 1000

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Last Answer : A) 2 to 3

The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke's law range is proportional to the (A) Inverse of fluid viscosity (B) Square of particle size (C) Difference in the densities of the particle & fluid (D) All (A), (B) and (C)

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With decrease in particle size to be fluidised by a particular fluid, the operating range of fluidisation velocity (A) Widens (B) Squeezes (C) Does not change (D) Unpredictable from the data

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Which of the following statement is wrong? (A) A flow whose streamline is represented by a curve is called two dimensional flow. (B) The total energy of a liquid particle is the sum of potential energy, kinetic energy and pressure energy. (C) The length of divergent portion in a Venturimeter is equal to the convergent portion. (D) A pitot tube is used to measure the velocity of flow at the required point in a pipe.

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Last Answer : during accommodation the lens moves towards the cornea

A particle inside a hollow sphere of internal radius r with coefficient of friction 1/?3 can rest upto height of a.0.18 r b.0.435 r c.0.25 r d.0.134 r e.0.125 r

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Last Answer : d. 0.134 r

14. An object 5 cm is placed at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find the position, nature and size of the image. -Physics-10

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An object 0.04 m high is placed at a distance of 0.8 m from a concave mirror of radius of curvature 0.4 m. find the position, nature and the size of t

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Millions of designer babies - Would society aim for uniformity or diversity once we have the means to fiddle with the human genome?

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If M, I, R, E, F, and Y are the bending moment, moment of inertia, radius of curvature, modulus of elasticity stress and the depth of the neutral axis at section, then (A) M/I = R/E = F/Y (B) I/M = R/E = F/Y (C) M/I = E/R = E/Y (D) M/I = E/R = Y/F

Description : If M, I, R, E, F, and Y are the bending moment, moment of inertia, radius of curvature, modulus of  elasticity stress and the depth of the neutral axis at section, then  (A) M/I = R/E = F/Y (B) I/M = R/E = F/Y (C) M/I = E/R = E/Y (D) M/I = E/R = Y/F

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The radius of curvature of the arc of the bubble tube is generally kept (A) 10 m (B) 25 m (C) 50 m (D) 100 m

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