Question

For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

a.

Reynolds number (based on sphere diameter) should be < 1.

b.

flow around the sphere should be in turbulent region.

c.

sphere must be metallic.

d.

fluid density should be constant.

Answer: (c).sphere must be metallic.

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their

Q. A material having good damping property is likely to have

Q. Exposure to __________ accelarates the degradation of plastics.

Q. Steel produced from phosphatic iron is __________ in nature.

Q. __________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

Q. Out of the following, the most melleable material is

Q. Addition of silicon to aluminium improves its

Q. Which of the following properties of a solid is not dependent on crystal imperfection ?

Q. In a good rimming steel

Q. Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

Q. Cold chiesel & hammers are made of

Q. Which of the following does not lower the surface tension of liquids ?

Q. __________ property of a material is determined by the Herbert Pendulum device.

Q. Cathodic protection is widely used in controlling corrosion in

Q. Methyl orange indicator turns

Q. Cold chiesel's hammers are made of

Q. In the X-ray radiography technique, the tube voltage for thicker plates as compared to thin plates, should be

Q. Atomic __________ is a whole number for an element.

Q. Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

Q. Highest cutting speed is achieved by the __________ tool material.

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!