E-PolyLearning

Discussion Forum

Que. For flow over a flat plate, the ratio of thermal boundary layer thickness, 'xt' and hydrodynamic boundary layer thickness 'x' is equal to (where, NPr = Prandtl number)
a. A
b. B
c. C
d. D
Correct Answer:B
Confused About the Answer? Ask fellow aspirants for Details Here
Already Know Explanation? Add it Here to help others.

More Questions Like this:

Heat produced when a steady state current, I passes through an electrical conductor having resistance, 'R' is
Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface ?
In a forward feed multiple effect, the pressure build up will be
Pick out the wrong statement.
Fourier's law applies to the heat transfer by
Finned tube heat exchangers
Pick out the correct statement.
Correction is applied to LMTD for __________ flow.
The heat flux (from outside to inside) across an insulating wall with thermal conductivity, K= 0.04 W/m.°K and thickness 0.16m is 10 W/m². The temperature of the inside wall is - 5°C. The outside wall temperature is
The following equation, corresponds to __________ analogy.
Radiation heat transfer rates does not depend upon the
Pick out the wrong statement:
A perfect black body is a perfect __________ of radiation.
Prandtl number is given by
Fqra cold viscous feed, backward feed gives __________ than forward feed.
Steam is to be condensed in a shell and tube heat exchanger, 5 m long with a shell diameter of 1 m. Cooling water is to be used for removing the heat. Heat transfer co-efficient for the cooling water, whether on shell side or tube side is the same. The best arrangement is
In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface.
The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are
The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is
In the free convection regime of pool boiling, the heat flux is proportional to

View All Questions on: Heat Transfer Basics

Management and Accounting

Human Resource Management Marketing and Marketing Management Financial Management and Financial Markets Cost Accounting Business Statistics