Heat Transfer Which area is used in case of heat flow by conduction through a cylinder ? Arithmetic mean area Geometric mean area Logarithmic mean area None of the listed here Arithmetic mean area Geometric mean area Logarithmic mean area None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In natural convection heat transfer, the correlating parameter is the Grashoff number Eckert number Bond number Graetz number Grashoff number Eckert number Bond number Graetz number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator, the pressure is Dependent on the number of effects Highest in last effect Same in all effects Lowest in last effect Dependent on the number of effects Highest in last effect Same in all effects Lowest in last effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Log mean temperature difference (LMTD) cannot be used, if heat transfer co-efficient over the entire heat exchanger is not constant none of the listed here there exists an unsteady state the heat capacity is not constant and there is a phase change. heat transfer co-efficient over the entire heat exchanger is not constant none of the listed here there exists an unsteady state the heat capacity is not constant and there is a phase change. ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is Some Either more or less ; depends on the nature of vapor Less More Some Either more or less ; depends on the nature of vapor Less More ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area Increases Passes through a maxima Decreases Remains constant Increases Passes through a maxima Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
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