Heat Transfer The Graetz number is concerned with the heat transfer in turbulent flow mass transfer between a gas and a liquid heat transfer in laminar flow absorption with chemical reaction heat transfer in turbulent flow mass transfer between a gas and a liquid heat transfer in laminar flow absorption with chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer Increases exponentially Decreases Remains unaffected Increases Increases exponentially Decreases Remains unaffected Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Is easy to operate and maintain All of these Is more economical Occupies smaller space Is easy to operate and maintain All of these Is more economical Occupies smaller space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that (where, St = Stanton number f = friction factor) St = f/2 St = f/4 St = f1/2 St = 4f St = f/2 St = f/4 St = f1/2 St = 4f ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation cannot be used for molten metals mainly due to its very low thermal conductivity Prandtl number Grashoff number viscosity thermal conductivity Prandtl number Grashoff number viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Unsteady state heat conduction occurs, when Heat flows in one direction only Temperature distribution is independent of time Temperature distribution is dependent on time Three dimensional heat flow is concerned Heat flows in one direction only Temperature distribution is independent of time Temperature distribution is dependent on time Three dimensional heat flow is concerned ANSWER DOWNLOAD EXAMIANS APP