Heat Transfer In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger. Once Four times Thrice Twice Once Four times Thrice Twice 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. Temperature of the body Nature of the body None of these Wavelength of radiation Temperature of the body Nature of the body None of these Wavelength of radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation none of the listed here Both emitter & absorber absorber emitter none of the listed here Both emitter & absorber absorber emitter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vibrations in the tubes of a shell and tube heat exchanger is induced due to the Flow of fluid on the tube and shell sides All of these Vibrations transmitted through piping and/or supports due to external reasons Oscillations in the flow of shell/tube sides fluid Flow of fluid on the tube and shell sides All of these Vibrations transmitted through piping and/or supports due to external reasons Oscillations in the flow of shell/tube sides fluid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the ratio of Momentum diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Thermal diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Thermal diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Indirect contact heat exchangers are preferred over direct contact heat exchangers, because Heat transfer co-efficient are high There is no risk of contamination Cost of equipment is lower There is no mist formation Heat transfer co-efficient are high There is no risk of contamination Cost of equipment is lower There is no mist formation ANSWER DOWNLOAD EXAMIANS APP
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