Related Questions

Nusselt number (for forced convection heat transfer) is a function of the __________ number.
A Prandtl
B Reynolds
C Both A & B
D Neither A nor B
In free convection heat transfer, Nusselt number is function of
A Grashoff number and Reynold number
B Grashoff number and Prandtl number
C Prandtl number and Reynold number
D Grashoff number, Prandtl number and Reynold number
Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the
A Existence of thermal boundary layer
B Temperature gradient produced due to density difference
C Buoyancy of the bubbles produced at active nucleation site
D None of these
The ratio of Nusselt number and the product of Reynold's number and Prandtl number is equal to
A Stanton number
B Biot number
C Peclet number
D Grashoff number
Prandtl and Reynold's analogies are identical for Prandtl number value of
A 0
B 0.5
C 1
D 5
Prandtl and Reynolds analogy are same, when Prandtl number is
A 0.5
B 1
C > 2
D 1.5
Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.
A Sherwood
B Schmidt
C Peclet
D Stanton
Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number.
A Schmidt
B Sherwood
C Peclet
D Stanton
In forced convection, the Nusselt number is a function of
A Re and Pr
B Re and Gr
C Pr and Gr
D Re and Sc
Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is
A 0.2
B 0.4
C 0.6
D 0.8

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