Heat Transfer Multipass heat exchangers are used Because of simplicity of fabrication For low heat load To obtain higher heat transfer co-efficient and shorter tube To reduce the pressure drop Because of simplicity of fabrication For low heat load To obtain higher heat transfer co-efficient and shorter tube To reduce the pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? dowtherm mercury liquid metal None of the listed here dowtherm mercury liquid metal None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A 2-4 heat exchanger involves Only parallel-flow of fluids Both counter and parallel-flow of the fluids Smaller pressure drop compared to 1-2 exchanger Only counter-flow of fluids Only parallel-flow of fluids Both counter and parallel-flow of the fluids Smaller pressure drop compared to 1-2 exchanger Only counter-flow of fluids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the most suitable for cold viscous feed? Backward feed Mixed feed Parallel feed Forward feed Backward feed Mixed feed Parallel feed Forward feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator as compared to a single effect evaporator of the same capacity has Higher solute concentration in the product Higher steam economy Lower heat transfer area Lower steam economy Higher solute concentration in the product Higher steam economy Lower heat transfer area Lower steam economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the thermal boundary layer lies inside the concentration boundary layer none of the listed here concentration boundary layer lies inside the thermal boundary layer thermal & concentration boundary layers are of equal thickness thermal boundary layer lies inside the concentration boundary layer none of the listed here concentration boundary layer lies inside the thermal boundary layer thermal & concentration boundary layers are of equal thickness ANSWER DOWNLOAD EXAMIANS APP
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