Related Questions

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
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
Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.
A Sherwood
B Schmidt
C Peclet
D Stanton
If there are no externally induced flow velocities, then the Nusselt Number (Nu) does not depend upon
A Prandtl number
B Reynolds number
C Grashof Number
D none of the
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
Nusselt number is the ratio of the temperature gradient at the wall to
A Temperature difference
B Heat flux
C That across the entire pipe
D None of these
The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is
A 2.36
B 4.36
C 120.36
D Dependent on NRe only
Nusselt number for full developed, laminar, constant property flow in a pipe at uniform heat flux is
A 0.72
B 4.364
C 18
D 83
Nusselt number is the ratio of the
A Temperature gradient of the wall to that across the entire pipe
B Temperature difference to the temperature gradient at the wall
C Heat flux at the wall to that across the entire pipe
D None of these

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