Related Questions

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
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
Nusselt number is a function of Prandtl number and __________ number of fluid in natural convection heat transfer.
A Grashoff
B Biot
C Stantan
D Reynolds
The ratio of the thickness of thermal boundary layer to the thickness of hydrodynamic boundary layer is equal to (Prandtl number) n, where n is equal to
A $$ - \frac{1}{3}$$
B $$ - \frac{2}{3}$$
C 1
D $$-1$$
The product of Reynolds number and Prandtl number is known as
A Stanton number
B Biot number
C Peclet number
D Grashoff number
If Prandtl number is greater than the Schmidt number, then the
A Thermal boundary layer lies inside the concentration boundary layer
B Concentration boundary layer lies inside the thermal boundary layer
C Thermal & concentration boundary layers are of equal thickness
D Hydrodynamic(i.e., momentum)boundary layer is thicker than the other two
Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number.
A Schmidt
B Sherwood
C Peclet
D Stanton
The value of Prandtl number for air is about
A 0.1
B 0.4
C 0.7
D 1.1
The thickness of thermal and hydrodynamic boundary layer is equal if Prandtl number is
A Equal to one
B Greater than one
C Less than one
D Equal to Nusselt number

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