Heat Transfer Fouling factor Is a dimensionless quantity None of these Accounts for additional resistances to heat flow Does not provide a safety factor for design Is a dimensionless quantity None of these Accounts for additional resistances to heat flow Does not provide a safety factor for design ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a perfectly transparent surface (like gases), the All of these Absorptivity = 0 Reflectivity = 0 Transmissivity = 1 All of these Absorptivity = 0 Reflectivity = 0 Transmissivity = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? None of these Triangular pitch Diagonal square pitch Square pitch None of these Triangular pitch Diagonal square pitch Square pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits Low viscosity High fluidity Low density Abundance & high heat capacity Low viscosity High fluidity Low density Abundance & high heat capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Free and forced convection Forced convection and conduction Conduction only Forced convection only Free and forced convection Forced convection and conduction Conduction only Forced convection only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will Remain unchanged Increase by 216 Decrease by 22 Increase by 1.8 times Remain unchanged Increase by 216 Decrease by 22 Increase by 1.8 times ANSWER DOWNLOAD EXAMIANS APP