Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? l to 50 0.6 to 120 1 to 103 0.06 to 120 l to 50 0.6 to 120 1 to 103 0.06 to 120 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is achieved in __________ flow. Counter-current Laminar Co-current Turbulent Counter-current Laminar Co-current Turbulent ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing a 'catchall' in the vapor line of an evaporator is to Regulate the vapor flow Vent the non-condensible gases Create vacuum Arrest the entrained liquid Regulate the vapor flow Vent the non-condensible gases Create vacuum Arrest the entrained liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer Decreases Increases exponentially Remains unaffected Increases Decreases Increases exponentially Remains unaffected Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynold's analogies are identical for Prandtl number value of 1 0.5 5 1 0.5 5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is More Some Less Either more or less ; depends on the nature of vapor More Some Less Either more or less ; depends on the nature of vapor ANSWER DOWNLOAD EXAMIANS APP