Water (Prandtl number 6) flows over a flat plate which is heated over – McqOptions

MCQOPTIONS

1.	Water (Prandtl number 6) flows over a flat plate which is heated over the entire length. Which one of the following relationship between the hydrodynamic boundary layer thickness ( ) and the thermal boundary layer thickness ( )t is true?
A.	( )t >
B.	( )t <
C.	( )t =
D.	Cannot be predicted
Answer» C. ( )t =

Discussion

No Comment Found

Related MCQs

If qw =2500x where x is in m and in the direction of flow (x=0 at the inlet), the bulk mean temperature of the water leaving the pipe in C is ________
Water (Prandtl number 6) flows over a flat plate which is heated over the entire length. Which one of the following relationship between the hydrodynamic boundary layer thickness ( ) and the thermal boundary layer thickness ( )t is true?
For a fluid with Prandtl number Pr>1, momentum boundary layer thickness?
In laminar developing flow through a pipe with constant wall temperature, the magnitude of the pipe wall inner surface convective heat transfer coefficient shall be maximum at the:
The characteristic length for computing Grashoff number of horizontal cylinder is ___________
The laminar boundary layer occurs when a cold fluid over a hot plate. In which of the following positions, the temperature gradient assumes zero value?
Which non-dimensional numbers relates the thermal boundary layer and hydrodynamic boundary layer?
Which of the following non-dimensional numbers is used for transition from laminar flow to turbulent flow in the free convection?
Nusselt number for fully developed turbulent flow in a pipe is given by Nu=C Rea Prb. the values of a and b are?
Hot air at 50 C. If the forced heat transfer convection is 75 W/m2K, the heat gain rate gain rate by the plate through an area of 2m2 will be _____