Heat Transfer Analogy between mass and heat transfer is not applicable in case of Thermal or pressure mass diffusion Viscous heating or chemical reaction Same velocity profile or equal eddy diffusivities Both B and C Thermal or pressure mass diffusion Viscous heating or chemical reaction Same velocity profile or equal eddy diffusivities Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the equation Q = UAΔt; Δt is Geometric mean temperature difference The difference of average bulk temperatures of hot and cold fluids Logarithmic mean temperature difference Arithmetic mean temperature difference Geometric mean temperature difference The difference of average bulk temperatures of hot and cold fluids Logarithmic mean temperature difference Arithmetic mean temperature difference ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The wavelength at which the maximum monochromatic emissive power occurs for a black body, is (where, T = absolute temperature of the black body) α 1/T Independent of T αT α T⁴ α 1/T Independent of T αT α T⁴ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Intermittant tube cleaning is possible to be done in case of a __________ evaporator. Basket type Calendria Horizontal tube None of these Basket type Calendria Horizontal tube None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The sum of reflectivity and absorptivity for an opaque body is equal to 2 1 0.5 2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a backward feed multiple effect evaporator Feed is introduced in the first effect No pumps are required between successive effects None of these Feed flows from low pressure to high pressure Feed is introduced in the first effect No pumps are required between successive effects None of these Feed flows from low pressure to high pressure ANSWER DOWNLOAD EXAMIANS APP
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