Heat Transfer In Fourier's law, the proportionality constant is called the Heat transfer co-efficient Stefan-Boltzman constant Thermal conductivity Thermal diffusivity Heat transfer co-efficient Stefan-Boltzman constant Thermal conductivity Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called Forced convection Conduction Radiation Natural convection Forced convection Conduction Radiation Natural convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is 2.36 120.36 Dependent on NRe only 4.36 2.36 120.36 Dependent on NRe only 4.36 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of momentum diffusivity to thermal diffusivity is the __________ number. Grashoff Stanton Nusselt Prandtl Grashoff Stanton Nusselt Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is Shell and tube heat exchanger with air on shell side and steam inside tubes Finned tube heat exchanger with air outside and steam inside Finned tube heat exchanger with air inside and steam outside Shell and tube heat exchanger with air inside tubes and steam on shell side Shell and tube heat exchanger with air on shell side and steam inside tubes Finned tube heat exchanger with air outside and steam inside Finned tube heat exchanger with air inside and steam outside Shell and tube heat exchanger with air inside tubes and steam on shell side ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of backward feed multiple effect evaporators over forward feed units is that Most concentrated liquid is at highest temperature Equal heat transfer co-efficients exist in various effects Heat sensitive material can be handled There is no additional cost of pumping Most concentrated liquid is at highest temperature Equal heat transfer co-efficients exist in various effects Heat sensitive material can be handled There is no additional cost of pumping ANSWER DOWNLOAD EXAMIANS APP
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