Heat Transfer Which area is used in case of heat flow by conduction through a cylinder ? Arithmetic mean area None of the listed here Logarithmic mean area Geometric mean area Arithmetic mean area None of the listed here Logarithmic mean area Geometric mean area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, Nst = f/2, is the __________ analogy. Colburn None of these Reynolds Prandtl Colburn None of these Reynolds Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is obtained in __________ flow. Transition region Laminar Turbulent Creeping Transition region Laminar Turbulent Creeping ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kg of liquid evaporated per hour in an evaporator is defined as its Capacity Economy None of these Steam load Capacity Economy None of these Steam load 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 CPA < CPB CPA > CPB KA < 0.5kB KA>2 kB CPA < CPB CPA > CPB KA < 0.5kB KA>2 kB ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of momentum diffusivity to thermal diffusivity is the __________ number. Nusselt Prandtl Stanton Grashoff Nusselt Prandtl Stanton Grashoff ANSWER DOWNLOAD EXAMIANS APP
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