Heat Transfer The interchange factor for radiation heat transfer from surface 'x' to surface 'y' in case of an infinite parallel planes with emis-sivities εx & εy is given by Εx + εy 1/εx + 1/εy Εx . εy (εx + εy)/(εx + εy - εx . εy) Εx + εy 1/εx + 1/εy Εx . εy (εx + εy)/(εx + εy - εx . εy) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a Factor of safety Non-dimensional factor None of these Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient Factor of safety Non-dimensional factor None of these Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of an evaporator is influenced by the Feed temperature Number of effect Steam pressure Both B & C Feed temperature Number of effect Steam pressure Both B & C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Liquid viscosity Interfacial tension Hot surface temperature Liquid density Liquid viscosity Interfacial tension Hot surface temperature Liquid density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone. transition laminar highly turbulent None of the listed here transition laminar highly turbulent None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat waves Travel in straight line Can be reflected by a mirror Both B and C Can not pass through vacuum Travel in straight line Can be reflected by a mirror Both B and C Can not pass through vacuum ANSWER DOWNLOAD EXAMIANS APP
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