Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? Triangular pitch None of these Square pitch Diagonal square pitch Triangular pitch None of these Square pitch Diagonal square pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The actual temperature drop across the heating surface of an evaporator depends on the Liquid depth over the heating surface Pressure difference between the steam chest and the vapor space above the boiling liquid Solution being evaporated All of these Liquid depth over the heating surface Pressure difference between the steam chest and the vapor space above the boiling liquid Solution being evaporated All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be 0.55 0.35 0.85 0.45 0.55 0.35 0.85 0.45 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In sub-cooled boiling, Temperature of the heating surface is more than the boiling point of the liquid Very large vapour space is necessary Bubbles from heating surface are absorbed by the mass of the liquid Temperature of the heating surface is less than the boiling point of the liquid Temperature of the heating surface is more than the boiling point of the liquid Very large vapour space is necessary Bubbles from heating surface are absorbed by the mass of the liquid Temperature of the heating surface is less than the boiling point of the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its Dense structure High specific heat None of these High proportion of air space Dense structure High specific heat None of these High proportion of air space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer is not a function of the __________ number. Grashoff Both B & C Nusselt Reynolds Grashoff Both B & C Nusselt Reynolds ANSWER DOWNLOAD EXAMIANS APP