Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 5-50 0.38-0.78 0.5-50 100-1000 5-50 0.38-0.78 0.5-50 100-1000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Viscosity Heat capacity Thermal conductivity Density Viscosity Heat capacity Thermal conductivity Density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be W/m None, A is just a number W/m.k² W/m.k W/m None, A is just a number W/m.k² W/m.k ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the thermal boundary layer lies inside the concentration boundary layer none of the listed here concentration boundary layer lies inside the thermal boundary layer thermal & concentration boundary layers are of equal thickness thermal boundary layer lies inside the concentration boundary layer none of the listed here concentration boundary layer lies inside the thermal boundary layer thermal & concentration boundary layers are of equal thickness ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Air is best heated with steam in a heat exchanger of double pipe type with fin on steam side shell and tube type plate type double pipe type with fin on air side double pipe type with fin on steam side shell and tube type plate type double pipe type with fin on air side ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynold's analogies are identical for Prandtl number value of 1 5 0.5 1 5 0.5 ANSWER DOWNLOAD EXAMIANS APP
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