Heat Transfer Reynold's analogy states that Nst α NRe NRe α f NNu α f Nst α f Nst α NRe NRe α f NNu α f Nst α f ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Gases Solids Liquids Both solids & liquids Gases Solids Liquids Both solids & liquids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Log mean temperature difference (LMTD) cannot be used, if 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. heat transfer co-efficient over the entire heat exchanger is not constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to (where, f = Fanning friction factor) f/4 f/2 f 2f f/4 f/2 f 2f ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat sensitive materials can be concentrated in an evaporator employing High residence time High pressure Vacuum None of these High residence time High pressure Vacuum None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the steam economy in case of a single effect evaporator system? >1 1 < 1 0.1 >1 1 < 1 0.1 ANSWER DOWNLOAD EXAMIANS APP