Heat Transfer The radiation heat flux from a heating element at a temperature of 800°C, in a furnace maintained at 300°C is 8 kW/m². The flux, when the element temperature is increased to 1000°C for the same furnace temperature is 16.5 kW/m² 11.2 kW/m² 14.6 kW/m² 12.0 kW/m² 16.5 kW/m² 11.2 kW/m² 14.6 kW/m² 12.0 kW/m² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Analogy between mass and heat transfer is not applicable in case of Both B and C Thermal or pressure mass diffusion Same velocity profile or equal eddy diffusivities Viscous heating or chemical reaction Both B and C Thermal or pressure mass diffusion Same velocity profile or equal eddy diffusivities Viscous heating or chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashhoff number is given by gD2βΔtρ/μ² gD³.β.Δtρ²/μ² gD³βΔtP²/μ gD2βΔtP²μ gD2βΔtρ/μ² gD³.β.Δtρ²/μ² gD³βΔtP²/μ gD2βΔtP²μ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Crystallisation of solids from a homogeneous solution is a/an __________ process. Highly endothermic None of these Mildly endothermic Exothermic Highly endothermic None of these Mildly endothermic Exothermic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the reciprocal of Thermal diffusivity x Mass diffusivity Mass diffusivity x Momentum diffusivity Thermal diffusivity/Momentum diffusivity Thermal diffusivity x Momentum Thermal diffusivity x Mass diffusivity Mass diffusivity x Momentum diffusivity Thermal diffusivity/Momentum diffusivity Thermal diffusivity x Momentum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger. Once Twice Thrice Four times Once Twice Thrice Four times ANSWER DOWNLOAD EXAMIANS APP
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