Related Questions

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 $$-1$$
Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is
A 1
B > 1
C > 5
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
The hydrodynamic and thermal boundary layers will merge, when
A Prandtl number is one
B Schmidt number tends to infinity
C Nusselt number tends to infinity
D Archimedes number is greater than 10000
At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical?
A 1
B > 1
C None of these
At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical?
A 0.5
B 1
C 1.5
D 80
What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate?
A 0.5
B 1
C 1.5
D 2
The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called
A Surface tension
B Compressibility
C Capillarity
D Viscosity
The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is
A Pipe vibrations
B Cavitation
C Boundary layer separation
D Fluctuation in liquid flow
The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is
A d > m > e
B d > e > m
C e > m > d
D e > d > m

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