Heat Transfer jH factor for heat transfer is not a function of the __________ number. Grashoff Reynolds Nusselt Both B & C Grashoff Reynolds Nusselt Both B & C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a perfectly transparent surface (like gases), the Absorptivity = 0 All of these Transmissivity = 1 Reflectivity = 0 Absorptivity = 0 All of these Transmissivity = 1 Reflectivity = 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Molten sodium Dowtherm Air Water Molten sodium Dowtherm Air Water ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a conducting solid material depends upon its None of the listed here porosity temperature both temperature & porosity None of the listed here porosity temperature both temperature & porosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For small temperature difference, the heat transfer rate as per Newton's law of cooling is proportional to (where, Δt = excess temperature) Δt √Δt Δt³ Δt² Δt √Δt Δt³ Δt² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when A corrosive liquid is to be heated Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled Requirement of heat transfer area is low A corrosive liquid is to be heated Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled Requirement of heat transfer area is low ANSWER DOWNLOAD EXAMIANS APP
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