Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. Reynolds None of these Colburn Prandtl Reynolds None of these Colburn Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is Shell and tube heat exchanger with air on shell side and steam inside tubes Finned tube heat exchanger with air inside and steam outside Finned tube heat exchanger with air outside and steam inside Shell and tube heat exchanger with air inside tubes and steam on shell side Shell and tube heat exchanger with air on shell side and steam inside tubes Finned tube heat exchanger with air inside and steam outside Finned tube heat exchanger with air outside and steam inside Shell and tube heat exchanger with air inside tubes and steam on shell side ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter) 0.3 D 0.5 D 0.2 D 0.4 D 0.3 D 0.5 D 0.2 D 0.4 D ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Shell side pressure drop in a shell and tube heat exchanger does not depend upon the Tube diameter & pitch None of these Baffle spacing & shell diameter Viscosity, density & mass velocity of shell side fluid Tube diameter & pitch None of these Baffle spacing & shell diameter Viscosity, density & mass velocity of shell side fluid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single evaporator system, the steam economy __________ by creating vacuum in the evaporator. Decreases Increases Remains constant May increase or decrease, depends on the vacuum Decreases Increases Remains constant May increase or decrease, depends on the vacuum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Nature of the body Temperature of the body Wavelength of radiation None of these Nature of the body Temperature of the body Wavelength of radiation None of these ANSWER DOWNLOAD EXAMIANS APP
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