Heat Transfer Baffles are provided in heat exchangers to increase the Fouling factor Heat transfer area Heat transfer rate Heat transfer co-efficient Fouling factor Heat transfer area Heat transfer rate Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation. Greater than Half Lower than Is same as Greater than Half Lower than Is same as ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. None of these Nature of the body Temperature of the body Wavelength of radiation None of these Nature of the body Temperature of the body Wavelength of radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum absorptivity? Aluminium foil Refractory bricks Coal dust Iron plates Aluminium foil Refractory bricks Coal dust Iron plates ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Natural convection is characterised by Peclet number Prandtl number Reynolds number Grashhoff number Peclet number Prandtl number Reynolds number Grashhoff number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film thickness for laminar film condensation on vertical surface __________ from top to bottom. Cummulatively increases Remains constant And the surface conductance increase Cummulatively decreases Cummulatively increases Remains constant And the surface conductance increase Cummulatively decreases ANSWER DOWNLOAD EXAMIANS APP
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