Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? Yellow paint Black paint White paint Grey paint Yellow paint Black paint White paint Grey paint ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is __________ law. Dalton's Stefan's Kirchoffs Wien's Dalton's Stefan's Kirchoffs Wien's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The non-dimensional temperature gradient in a liquid at the wall of a pipe is the Nusselt number Schmidt number Prandtl number Heat flux Nusselt number Schmidt number Prandtl number Heat flux 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 Natural convection Conduction Radiation Forced convection Natural convection Conduction Radiation Forced convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. Decreases Remains constant May increase or decrease ; depends on the material Increases Decreases Remains constant May increase or decrease ; depends on the material Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum water velocity in tubes of a 1-2 shell and tube heat exchanger may be around __________ metres/second. 10 20 30 1 10 20 30 1 ANSWER DOWNLOAD EXAMIANS APP
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