Heat Transfer The thickness of condensate layer in filmwise condensation depends on the Surface configuration All of these Liquid flow rate from the surface Condensation rate Surface configuration All of these Liquid flow rate from the surface Condensation rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal ball of radius 0.1 m at a uniform temperature of 90°C is left in air at 30°C. The density and the specific heat of the metal are 3000 kg/m³ and 0.4 kJ/kg.K respectively. The heat transfer co-efficient is 50 W/m².K Neglecting the temperature gradients inside the ball, the time taken (in hours) for the ball to cool to 60°C is 55.5 0.55 555 0.15 55.5 0.55 555 0.15 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For an ideal black body Reflectivity = 1 Absorptivity = 1 Emissivity = 0 Transmissivity = 1 Reflectivity = 1 Absorptivity = 1 Emissivity = 0 Transmissivity = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Graetz number is given by mCp/kL kμ/mCp kL/mCp mCp/kμ mCp/kL kμ/mCp kL/mCp mCp/kμ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the No. of baffles Tube layout Tube diameter Tube pitch No. of baffles Tube layout Tube diameter Tube pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Choose the most important factor on which the heat conducted through a wall in a unit time will depend on? Area of the wall perpendicular to heat flow Material of the wall Temperature difference between the two surfaces of the wall Thickness of the wall Area of the wall perpendicular to heat flow Material of the wall Temperature difference between the two surfaces of the wall Thickness of the wall ANSWER DOWNLOAD EXAMIANS APP
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