Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 100-1000 0.38-0.78 5-50 0.5-50 100-1000 0.38-0.78 5-50 0.5-50 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of 1 6.1 1.74 37 1 6.1 1.74 37 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The number of kg vaporised per kg of steam fed to the evaporator is defined as Capacity Economy Rate of vaporisation Rate of evaporation Capacity Economy Rate of vaporisation Rate of evaporation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by Keeping the heat transfer surface clean None of these Increasing the tube length Enhancing the fluid pumping rate Keeping the heat transfer surface clean None of these Increasing the tube length Enhancing the fluid pumping rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The steam ejector is used to Remove condensate from the steam pipelines Superheat the steam None of these Create vacuum Remove condensate from the steam pipelines Superheat the steam None of these Create vacuum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Conduction occurs in the buffer zone for a fluid flowing through a heated pipe, only when Prandtl number is 0.1 < 1 >1 L 0.1 < 1 >1 L ANSWER DOWNLOAD EXAMIANS APP