Heat Transfer With increase in temperature, the thermal conductivity of most liquids Increases First increases upto a certain temperature and then becomes constant Remains same Decreases Increases First increases upto a certain temperature and then becomes constant Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Grashoff number is defined as the ratio of the inertial to viscous forces. buoyancy to surface tension forces buoyancy to viscous forces buoyancy to inertial forces inertial to viscous forces. buoyancy to surface tension forces buoyancy to viscous forces buoyancy to inertial forces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a boiling curve, the peak heat flux is called the __________ point. Burnout Nusselt Leidenfrost Boiling Burnout Nusselt Leidenfrost Boiling ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted An oily surface 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 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The actual temperature drop across the heating surface of an evaporator depends on the Pressure difference between the steam chest and the vapor space above the boiling liquid All of these Solution being evaporated Liquid depth over the heating surface Pressure difference between the steam chest and the vapor space above the boiling liquid All of these Solution being evaporated Liquid depth over the heating surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? White paint Grey paint Yellow paint Black paint White paint Grey paint Yellow paint Black paint ANSWER DOWNLOAD EXAMIANS APP
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