In Fourier’s law, the proportionality constant is called the______________________?

Related Mcqs:

Multiple effect evaporation accounts for___________________?

A. Steam economy B. Lower operating costs C. Investment economy D. None of these...

In a shell and tube type heat exchanger, the floating tube bundle heat arrangement is used________________?

A. In low range of temperature differences B. In high range of temperature differences C. Because of its low cost D. To prevent corrosion of the tube bundles...

Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the________________?

A. Less corrosion problems B. Flexibility possible in the baffle arrangement C. Low pressure drop D. High heat transfer co-efficient...

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...

Pick out the wrong statement ?

A. With change in temperature, the radiant energy emitted by a black body remains unchanged B. Absorptivity of a body approaches unity in case of diffuse reflection C. Absorptivity of a perfectly black body is unity D. Value of Stefan-Boltzmann constant is 4.876 × 10-8 KCal/m2.hr.°K4...