Heat Transfer An insulator should have A porous structure Low thermal conductivity Less resistance to heat flow High thermal conductivity A porous structure Low thermal conductivity Less resistance to heat flow High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a regenerator recuperator heat exchanger boiler regenerator recuperator heat exchanger boiler ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. None of these Current Voltage Resistance None of these Current Voltage Resistance ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Absorptivity and refletivity of a perfect black body are respectively 1 and ? 1 and 0 0 and 0.5 0 and 1 1 and ? 1 and 0 0 and 0.5 0 and 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator depends upon the Rate of heat transfer Both A and B Neither A nor B Heat balance consideration Rate of heat transfer Both A and B Neither A nor B Heat balance consideration ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is Thick walled Both B and C Thin walled having the value of Ao Ai/< 2 Having the value of Ao/Ai > 2 Thick walled Both B and C Thin walled having the value of Ao Ai/< 2 Having the value of Ao/Ai > 2 ANSWER DOWNLOAD EXAMIANS APP