Heat Transfer Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is None of these Mainly confined to a thin film of fluid near the surface In the central core of the fluid Uniformly distributed throughout the fluid None of these Mainly confined to a thin film of fluid near the surface In the central core of the fluid Uniformly distributed throughout the fluid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat sensitive materials can be concentrated in an evaporator employing None of these Vacuum High residence time High pressure None of these Vacuum High residence time High pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator depends upon the Heat balance consideration Both A and B Rate of heat transfer Neither A nor B Heat balance consideration Both A and B Rate of heat transfer Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A composite wall consists of two plates A and B placed in series normal to the flow of heat. The thermal conductivities are kA and kB and the specific heat capacities are CPA and CPB for plates A and B respectively. Plate B has twice the thickness of plate A. At steady state, the temperature difference across plate A is greater than that across plate B, when KA < 0.5kB CPA < CPB KA>2 kB CPA > CPB KA < 0.5kB CPA < CPB KA>2 kB CPA > CPB ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In which mode of heat transfer, the Biot number is important? Radiation Forced convection Transient heat conduction Natural convection Radiation Forced convection Transient heat conduction Natural convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number (for forced convection heat transfer) is a function of the __________ number. Reynolds Both Reynolds & Prandtl Prandtl None of the listed here Reynolds Both Reynolds & Prandtl Prandtl None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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