Heat Transfer Nusselt number is the ratio of the None of these Heat flux at the wall to that across the entire pipe Temperature gradient of the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall None of these Heat flux at the wall to that across the entire pipe Temperature gradient of the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which one gives the monochromatic emissive power for black body radiation ? Wien's law Kirchhoffs law Planck's law Stefan-Boltzman law Wien's law Kirchhoffs law Planck's law Stefan-Boltzman law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nucleate boiling is promoted None of these On polished surfaces In the absence of agitation On rough surfaces None of these On polished surfaces In the absence of agitation On rough surfaces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for a spherical shell is (where, K = thermal conductivity of insulating material h0 = heat transfer coefficient at the outer surface) 2K/h0 h0/2K K/h0 h0/K 2K/h0 h0/2K K/h0 h0/K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When warm and cold liquids are mixed, the heat transfer is mainly by none of the listed here convection radiation conduction none of the listed here convection radiation conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam condensate is recovered by steam traps and recycled for use as boiler feed water, because of its low Dissolved soilds content Suspended solids content Hardness All of these Dissolved soilds content Suspended solids content Hardness All of these ANSWER DOWNLOAD EXAMIANS APP