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When the ratio of the Grashoff number and to the square of Reynolds...

Q.  
When the ratio of the Grashoff number and to the square of Reynolds number is one, the dominant mechanism of heat transfer is


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Answer :   Option: C


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The ratio of kinematic viscosity to thermal diffusivity is called the _______ number.

A. Peclet

B. Prandtl

C. Stanton

D. Nusselt


Answer & Explanation

Q.  
Convective heat transfer, in which heat is transferred by movement of warmed matter is described by

A. Fourier's law

B. Newton's law of cooling

C. Fick's law

D. none of these


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Q.  
Value of Prandtl number for water ranges from

A. 1 to 2

B. 5 to 10

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D. 1000 to 2000


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Q.  
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A. The law of conservation of mass

B. Newtons law of motion

C. The laws of thermodynamics

D. Fouriers law of heat conduction


Answer & Explanation
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