Stoke's law does not hold good if the size of particle is smaller than
(A) 0.0002 mm
(B) 0.002 mm
(C) 0.02 mm
(D) 0.2 mm

1 Answer

Answer :

(A) 0.0002 mm

Related questions

Description : Stoke's law is valid only if the size of particle is (A) Less than 0.0002 mm (B) Greater than 0.2 mm (C) Between 0.2 mm and 0.0002 mm (D) All of the above

Last Answer : Answer: Option C

Description : The proof stress in steel is the stress corresponding to the strain of [ A ] 0.2 [ B ] 0.02 [ C ] 0.002 [ D ] 0.0002

Last Answer : [ C ] 0.002

Description : If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain? Plant → Mice → Snake → Peacock (a) 0.02 J (b) 0.002 J (c) 0.2 J (d) 0.0002 J

Last Answer : (a) 0.02 J

Description : The size of clay particles are— (A) 1•0 mm (B) 0•2 – 0•02 mm (C) < 0•02 mm (D) < 0•002 mm

Last Answer : (D) < 0•002 mm

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

Last Answer : Answer: Option D

Description : The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of __________ mm. (A) 0.001 (B) 0.01 (C) 0.002 (D) 0.02

Last Answer : Option C

Description : Minimum size of the particles of silt soil, is (A) 0.002 mm (B) 0.04 mm (C) 0.06 mm (D) 0.08 mm

Last Answer : (A) 0.002 mm

Description : Maximum size of clay particles is: (A) 0.002 mm (B) 0.04 mm (C) 0.06 mm (D) 0.08 mm

Last Answer : (A) 0.002 mm

Description : According to IS classification, the range of silt size particles is (A) 4.75 mm to 2.00 mm (B) 2.00 mm to 0.425 mm (C) 0.425 mm to 0.075 mm (D) 0.075 mm to 0.002 mm

Last Answer : (D) 0.075 mm to 0.002 mm

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

Description : Pick up the correct statement from the following: (A) The maximum size of a coarse aggregate, is 75 mm and minimum 4.75 mm (B) The maximum size of the fine aggregate, is 4.75 mm and minimum 0.075 mm ( ... having particles of size varying from 0.06 mm to 0.002 mm, is known as silt (D) All the ab

Last Answer : Answer: Option D

Description : 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)

Last Answer : (D) All (A), (B) and (C)

Description : The terminal velocity of a particle moving through a fluid varies as dp n . The value of n is equal to __________ in Stoke's law regime. (A) 1 (B) 0.5 (C) 2 (D) 1.5

Last Answer : (C) 2

Description : A particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke's law. A particle B with diameter 20microns settling in the same oil will have a settling velocity (A) ... ) One fourth as that of A (C) Twice as that of A (D) Four times as that of A

Last Answer : (B) One fourth as that of A

Description : Which is greater 0.02 or 0.002?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

Description : Calculate the phase constant of a dielectric with frequency 6 x 10 6 in air. a) 2 b) 0.2 c) 0.02 d) 0.002

Last Answer : c) 0.02

Description : A step-index multimode optical fiber has a core diameter of _____ nm. ∙ a. 0.02 ∙ b. 0.2 ∙ c. 2 ∙ d. 0.002

Last Answer : b. 0.2

Description : A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which  causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the  joist will be,  (A) 10 m  (B) 12 m  (C) 14 m  (D) 16 m 

Last Answer : (D) 16 m 

Description : Stoke's law is valid, when the particle Reynolds number is (A) < 1 (B) > 1 (C) < 5 (D) None of these

Last Answer : (A) < 1

Description : Stoke's law states that the velocity at which a grain settles out of suspension, the other factors remaining constant, is dependent upon (A) Shape of grain (B) Weight of grain (C) Size of grain (D) Shape, size and weight of grain

Last Answer : Answer: Option D

Description : Bond crushing law (A) Calls for relatively less energy for the smaller product particles, than does the Rittinger law (B) Is less realistic in estimating the power requirements of commercial crushers ( ... (D) States that the work required for the crushing is proportional to the new surface created

Last Answer : (A) Calls for relatively less energy for the smaller product particles, than does the Rittinger law

Description : The diameter of very fine sand particles is- (a) Below 0.002 mm (b) 0.05-0.002mm (c) 0.01-0.05 mm (d) 0.05-0.10mm

Last Answer : (c) 0.01-0.05 mm

Description : 02. A flow in which each liquid particle does not have a definite path and the paths of individual particles also cross each other is called turbulent flow. A) Agree B) Disagree

Last Answer : A

Description : Why does Stoke's Law (sedimentation) not work for measuring sand-size fractions?

Last Answer : Your question and details don't exactly jibe: Are you specifically asking about sand or sand-size fractions (which could be nearly anything)? Also, while sand crystals are not typically spherical, ... used up the final dregs of what he eked out Fluid Mechanics & Dynamics class back in school.

Description : If G is the specific gravity of particles of diameter d, the velocity of settlement V in still water  at T°C, according to Stoke's law, is  (A) V = 418 (G - 1) d² [(3T + 70)/100]  (B) V = 418 (G - 1) d [(3T - ... 1) d² [(2T + 70)/100]  (D) V = 418 (G - 1) d 4  [(3T + 70)/100] 

Last Answer : (A) V = 418 (G - 1) d² [(3T + 70)/100] 

Description : The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock’s law, is A. Vs = 418 (Gs – Gw) d [(3T + 70)/100] B. Vs = 418 (Gs – Gw)d² [(3T + 70)/100] C. Vs = 218 (Gs – Gw)d² [(3T + 70)/100] D. Vs = 218 (Gs – Gw)d [(3T + 70)/100]

Last Answer : ANS: B

Description : A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle ... fluidisation velocity, VOM is (A) 12 mm/s (B) 16 mm/s (C) 24 mm/s (D) 28 mm/s

Last Answer : (B) 16 mm/s

Description : The ratio of the wall drag to the form drag in the Stoke's law range (for motion of spherical particles in a stationary fluid) is (A) 0.5 (B) 1 (C) 2 (D) 0.33

Last Answer : (C) 2

Description : The ratio of wall drag to total drag in the Stoke's law range is (A) 0.5 (B) 1 (C) 1/3 (D) 2/3

Last Answer : (D) 2/3

Description : If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105  N/mm2 ) when subjected to a twisting  moment, produces maximum shear stress of 50 N/mm2 , the angle of twist in radians, is  (A) 0.001  (B) 0.002  (C) 0.0025  (D) 0.003 

Last Answer : (C) 0.0025 

Description : When a constant discharge 2.91 litres/sec. was obtained in a pumping test, the draw downs in the test wells at 3 m and 6.184 m were 2.6 m and 0.3 m respectively. If over-all depth of the pumping well was 16 m, the ... (A) 0.0005 cm/sec (B) 0.001 cm/sec (C) 0.002 cm/sec (D) 0.01 cm/sec

Last Answer : Answer: Option B

Description : The ultimate failure is assumed to be reached when the section reaches a uniform compression strain of [ A ] 0.002 [ B ] 0.0035 [ C ] 0.0045 [ D ] 0.005

Last Answer : [ A ] 0.002

Description : The concrete is assumed to reach failure with a compression strain of [ A ] 0.002 [ B ] 0.0035 [ C ] 0.0045 [ D ] 0.006

Last Answer : [ B ] 0.0035

Description : The ultimate strain of concrete at failure is [ A ] 0.002 [ B ] 0.0035 [ C ] 0.0045 [ D ] 0.006

Last Answer : [ B ] 0.0035

Description : The concrete is assumed to reach failure with a compression strain of [ A ] 0.002 [ B ] 0.0035 [ C ] 0.0045 [ D ] 0.006

Last Answer : [ B ] 0.0035

Description : The ultimate strain of concrete at failure is [ A ] 0.002 [ B ] 0.0035 [ C ] 0.0045 [ D ] 0.006

Last Answer : [ B ] 0.0035

Description : The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is (A) 0.0116 stoke (B) 0.116 stoke (C) 0.0611 stoke (D) 0.611 stoke

Last Answer : Answer: Option A

Description : What is 0.0002 x 4?

Last Answer : Need answer

Description : Least audible sound for most of the human ear is – (1) 10.0 μ bar (2) 0.0002 μ bar (3) 0.005 μ bar (4) 5.0 μ bar

Last Answer : (2) 0.0002 μ bar Explanation: Least audible sound for most of the human ear is 2 x 10-5 pascal. The generally accepted standard range of audible frequencies is 20 to 20,000 Hz.

Description : In acoustics, what is the reference pressure in lb/ft2 unit? A. 2x10-5 B. 0.0002 C. 2.089 D. 2.980

Last Answer : C. 2.089

Description : Least audible sound for most of the human ear is : (1) 10.0 µ bar (2) 0.0002 µ bar (3) 0.005 µ bar (4) 5.0 µ bar

Last Answer : 0.0002 µ bar

Description : The Maximum spacing of Secondary reinforcement in slabs should be [ A ] Less than 450 mm [ B ] Less than 300 mm [ C ] Smaller of three times the effective depth and 450 mm [ D ] Smaller of five times the effective depth and 450 mm

Last Answer : [ D ] Smaller of five times the effective depth and 450 mm

Description : Stoke's law is valid, when NRe, p is less than (A) 2 (B) 100 (C) 2100 (D) 700

Last Answer : (A) 2

Description : The minimum clear cover for R.C.C. columns shall be (A) Greater of 40 mm or diameter (B) Smaller of 40 mm or diameter (C) Greater of 25 mm or diameter (D) Smaller of 25 mm or diameter

Last Answer : Answer: Option C

Description : The Gauss law employs which theorem for the calculation of charge density? a) Green theorem b) Stokes theorem c) Gauss theorem d) Maxwell equation

Last Answer : c) Gauss theorem

Description : The Ampere law is based on which theorem? a) Green’s theorem b) Gauss divergence theorem c) Stoke’s theorem d) Maxwell theorem

Last Answer : c) Stoke’s theorem

Description : Gauss law cannot be expressed in which of the following forms? a) Differential b) Integral c) Point d) Stokes theorem

Last Answer : d) Stokes theorem

Description : Divergence theorem is based on a) Gauss law b) Stoke’s law c) Ampere law d) Lenz law

Last Answer : a) Gauss law

Description : Capillary tube method of viscosity measurement is based on the (A) Hagen-Poiseuille’s equation (B) Stoke's law (C) Navier-stokes equation (D) None of these

Last Answer : (A) Hagen-Poiseuille’s equation

Description : The Navier-Stokes equation deals with the law of conservation of (A) Mass (B) Energy (C) Both (A) & (B) (D) Momentum

Last Answer : (D) Momentum