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 Forced convection Conduction Radiation Natural convection Forced convection Conduction Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect, the pressure build up will be least at the outlet of the last effect least at the inlet of the first effect highest at the outlet of the last effect highest at the inlet of the last effect least at the outlet of the last effect least at the inlet of the first effect highest at the outlet of the last effect highest at the inlet of the last effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids? At high fluid velocity None of these At low velocity When fluid flows past a smooth surface At high fluid velocity None of these At low velocity When fluid flows past a smooth surface 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) h0/K h0/2K 2K/h0 K/h0 h0/K h0/2K 2K/h0 K/h0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation occurs on __________ surfaces smooth clean contaminated cooling clean and dirt free polished smooth clean contaminated cooling clean and dirt free polished ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When warm and cold liquids are mixed, the heat transfer is mainly by radiation conduction convection none of the listed here radiation conduction convection none of the listed here ANSWER DOWNLOAD EXAMIANS APP
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