Heat Transfer Heat transfer rate described by Fourier's law will decrease, if the __________ increases. Thickness Thermal conductivity Temperature difference Heat transfer area Thickness Thermal conductivity Temperature difference Heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the unit of thermal conductivity ? Kcal/hr.m.°C Kcal/hr.m Kcal/hr. °C Kcal/hr. m² °C Kcal/hr.m.°C Kcal/hr.m Kcal/hr. °C Kcal/hr. m² °C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances. Average Geometric mean Sum Product Average Geometric mean Sum Product ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A sphere of radius 'R₁' is enclosed in a sphere of radius 'R₂'. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is (R₁/R₂)2 R₂/(R₁+R₂) 1 (R₁/R₂)2 R₂/(R₁+R₂) 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires More space Less heating surface Lower maintenance cost None of these More space Less heating surface Lower maintenance cost None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a body is equal to its emissivity none of the listed here for circular bodies under thermal equilibrium at a particular temperature none of the listed here for circular bodies under thermal equilibrium at a particular temperature ANSWER DOWNLOAD EXAMIANS APP
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