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
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
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
In forced convection, the heat transfer depends on
A Re, Pr
B Re, Gr
C Mainly Gr
D Re only
Which of the following is unimportant in forced convection?
A Reynolds number
B Prandtl number
C Grashhoff number
D None of these
Which of the following forced convection heat transfer equation accounts for the liquid viscosity effect for viscous liquids?
A Dittus-Boeltier equation
B Sieder-Tate equation
C Nusselt equation
D None of these
Forced circulation evaporators are useful for the concentration of viscous, salting and scale forming liquors. Which of the following is a forced circulation evaporator?
A Long vertical evaporator
B Horizontal tube evaporator
C Agitated film evaporator
D Calenderia vertical tube evaporator
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/Biot number varies
A inversely with thermal conductivity
B directly with heat transfer co-efficient
C directly with thermal conductivity
D inversely with dimension of the solid
Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.
A Sherwood
B Schmidt
C Peclet
D Stanton

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