Heat Transfer Thermal conductivity of a conducting solid material depends upon its temperature both temperature & porosity None of the listed here porosity temperature both temperature & porosity None of the listed here porosity 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 When fluid flows past a smooth surface None of these At low velocity At high fluid velocity When fluid flows past a smooth surface None of these At low velocity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The most conducive surface for dropwise condensation to occur is the __________ surface. Coated Glazed & polished Smooth Oily Coated Glazed & polished Smooth Oily ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to (where, f = Fanning friction factor) f/4 f f/2 2f f/4 f f/2 2f ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then hf > hd hf < hd hf = hd hf could be greater or smaller than hd hf > hd hf < hd hf = hd hf could be greater or smaller than hd ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of heat transfer co-efficient in SI unit is W/m2°K W/m°K J/m°K J/M2°K W/m2°K W/m°K J/m°K J/M2°K ANSWER DOWNLOAD EXAMIANS APP