Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 100-1000 0.38-0.78 5-50 0.5-50 100-1000 0.38-0.78 5-50 0.5-50 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 Δt² Δt³ Δt √Δt Δt² Δt³ Δt ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its Dense structure None of these High specific heat High proportion of air space Dense structure None of these High specific heat High proportion of air space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are Nu, Pr Nu, Pr, Re Nu, Gz Re.Gz Nu, Pr Nu, Pr, Re Nu, Gz Re.Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called Conduction Natural convection Forced convection Radiation Conduction Natural convection Forced convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer During crystallisation, formation of crystal can occur in __________ solution only. All of these Saturated Supersaturated Undersaturated All of these Saturated Supersaturated Undersaturated ANSWER DOWNLOAD EXAMIANS APP
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