Heat and Mass Transfer In free convection heat transfer, Nusselt number is function of Prandtl number and Reynold number Grashoff number and Reynold number Grashoff number and Prandtl number Grashoff number, Prandtl number and Reynold number Prandtl number and Reynold number Grashoff number and Reynold number Grashoff number and Prandtl number Grashoff number, Prandtl number and Reynold number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of heat flow through a body is Q = [kA (T₁ - T₂)]/x. The term x/kA is known as Thermal coefficient None of these Thermal conductivity Thermal resistance Thermal coefficient None of these Thermal conductivity Thermal resistance ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer A composite slab has two layers of different materials with thermal conductivities k₁ and k₂. If each layer has the same thickness, then the equivalent thermal conductivity of the slab will be (k₁ + k₂)/ k₁ k₂ k₁ k₂ (k₁ + k₂) 2 k₁ k₂/ (k₁ + k₂) (k₁ + k₂)/ k₁ k₂ k₁ k₂ (k₁ + k₂) 2 k₁ k₂/ (k₁ + k₂) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The transfer of heat by molecular collision is smallest in None of these Gases Liquids Solids None of these Gases Liquids Solids ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Temperature of steam at around 540°C can be measured by Thermocouple Thermometer None of these Thermistor Thermocouple Thermometer None of these Thermistor ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following is the case of heat transfer by radiation? Heating of building Heat received by a person from fireplace Cooling of parts in furnace Blast furnace Heating of building Heat received by a person from fireplace Cooling of parts in furnace Blast furnace ANSWER DOWNLOAD EXAMIANS APP
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