Heat Transfer Asymptotic conditions is reached, when for a fluid flowing in laminar flow through a long tube Graetz number > 100 Exit fluid temperature < wall temperature Exit-fluid temperature > wall temperature Exit fluid temperature = wall temperature Graetz number > 100 Exit fluid temperature < wall temperature Exit-fluid temperature > wall temperature Exit fluid temperature = wall temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equivalent diameter for pressure drop is __________ that for heat transfer None of the listed here greater than smaller than equal to None of the listed here greater than smaller than equal to ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, The temperature drops in the two fluids and the wall are proportional to individual resistances The relationship is not generalised The temperature drop is inversely proportional to the resistance across which the drop occurs There is no relationship between temperature drop and resistance The temperature drops in the two fluids and the wall are proportional to individual resistances The relationship is not generalised The temperature drop is inversely proportional to the resistance across which the drop occurs There is no relationship between temperature drop and resistance ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux through several resistances in series in analogous to the current flowing through several. resistances in parallel none of the listed here capacitors in series resistances in series resistances in parallel none of the listed here capacitors in series resistances in series ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas Remains same Decreases May increase or decrease depending on the type of gas Increases Remains same Decreases May increase or decrease depending on the type of gas Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when High viscosity liquid is to be cooled Overall heat transfer co-efficient is very high A corrosive liquid is to be heated Requirement of heat transfer area is low High viscosity liquid is to be cooled Overall heat transfer co-efficient is very high A corrosive liquid is to be heated Requirement of heat transfer area is low ANSWER DOWNLOAD EXAMIANS APP
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