Heat Transfer LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is >1 1 Zero <1 >1 1 Zero <1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multipass heat exchangers are used To obtain higher heat transfer co-efficient and shorter tube For low heat load To reduce the pressure drop Because of simplicity of fabrication To obtain higher heat transfer co-efficient and shorter tube For low heat load To reduce the pressure drop Because of simplicity of fabrication ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a conducting solid material depends upon its temperature porosity both temperature & porosity None of the listed here temperature porosity both temperature & porosity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a perfectly transparent surface (like gases), the Reflectivity = 0 All of these Transmissivity = 1 Absorptivity = 0 Reflectivity = 0 All of these Transmissivity = 1 Absorptivity = 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect, the pressure build up will be least at the inlet of the first effect highest at the inlet of the last effect highest at the outlet of the last effect least at the outlet of the last effect least at the inlet of the first effect highest at the inlet of the last effect highest at the outlet of the last effect least at the outlet of the last effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a boiling curve, the peak heat flux is called the __________ point. Boiling Burnout Nusselt Leidenfrost Boiling Burnout Nusselt Leidenfrost ANSWER DOWNLOAD EXAMIANS APP