Heat Transfer Dropwise condensation of steam on cooling surface is promoted Only in presence of air None of these When both the steam and the tube are clean An oily surface Only in presence of air None of these When both the steam and the tube are clean An oily surface 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 Conduction Radiation Natural convection Forced convection Conduction Radiation Natural convection Forced convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As per Kirchoffs law, the ratio of the total radiating power to the absorptivity of a body depends on the wavelength of monochromatic radiation temperature of the body only none of the listed here nature of material of body wavelength of monochromatic radiation temperature of the body only none of the listed here nature of material of body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Temperature profile in steady state heat transfer is none of the listed here Linear hyperbolic parabolic none of the listed here Linear hyperbolic parabolic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is achieved in __________ flow. Turbulent Co-current Laminar Counter-current Turbulent Co-current Laminar Counter-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of an evaporator is influenced by the Both B & C Number of effect Steam pressure Feed temperature Both B & C Number of effect Steam pressure Feed temperature ANSWER DOWNLOAD EXAMIANS APP
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