Heat Transfer The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as Ha = hL Ha = 2hL Ha= 5hL Ha = 0.8hL Ha = hL Ha = 2hL Ha= 5hL Ha = 0.8hL ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters of the fluid is not very important, while deciding its route in a shell and tube heat exchanger? Viscosity Pressure Density Corrosiveness & fouling characteristics Viscosity Pressure Density Corrosiveness & fouling characteristics ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is __________ law. Kirchoffs Stefan's Dalton's Wien's Kirchoffs Stefan's Dalton's Wien's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For an ideal black body Transmissivity = 1 Emissivity = 0 Absorptivity = 1 Reflectivity = 1 Transmissivity = 1 Emissivity = 0 Absorptivity = 1 Reflectivity = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for a spherical shell is (where, K = thermal conductivity of insulating material h0 = heat transfer coefficient at the outer surface) K/h0 2K/h0 h0/2K h0/K K/h0 2K/h0 h0/2K h0/K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. Reflects None of these Transmits Absorbs Reflects None of these Transmits Absorbs ANSWER DOWNLOAD EXAMIANS APP
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