Heat Transfer In thermal radiation for a black body (where, ε is emissivity and α is absorptivity) α = 1; ε ≠ 1 α ≠ 1, ε = 1 α = 1; ε = 1 α ≠ 1, ε ≠ 1 α = 1; ε ≠ 1 α ≠ 1, ε = 1 α = 1; ε = 1 α ≠ 1, ε ≠ 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In counter flow compared to parallel flow, Less surface area is required for a given heat transfer rate LMTD is greater Both A and B More surface area is required for a given heat transfer rate Less surface area is required for a given heat transfer rate LMTD is greater Both A and B More surface area is required for a given heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing bleed points in the evaporator is to Admit the feed Facilitate removal of non-condensable gases Create vacuum Remove the product Admit the feed Facilitate removal of non-condensable gases Create vacuum Remove the product 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 Decreases Remains unaffected Increases Increases exponentially Decreases Remains unaffected Increases Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Fourier number (defined as a.t/L²) is used in the analysis of problem involving heat transfer by Steady state conduction Forced convection Transient conduction Natural convection Steady state conduction Forced convection Transient conduction Natural convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator as compared to a single effect evaporator of the same capacity has Lower heat transfer area Higher steam economy Lower steam economy Higher solute concentration in the product Lower heat transfer area Higher steam economy Lower steam economy Higher solute concentration in the product ANSWER DOWNLOAD EXAMIANS APP
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