Heat Transfer If Prandtl number is greater than the Schmidt number, then the none of the listed here thermal & concentration boundary layers are of equal thickness thermal boundary layer lies inside the concentration boundary layer concentration boundary layer lies inside the thermal boundary layer none of the listed here thermal & concentration boundary layers are of equal thickness thermal boundary layer lies inside the concentration boundary layer concentration boundary layer lies inside the thermal boundary layer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Indirect contact heat exchangers are preferred over direct contact heat exchangers, because 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 Heat transfer co-efficient are high ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances. Product Sum Average Geometric mean Product Sum Average Geometric mean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most widely used heat insulating material for pipelines carrying steam? Cotton followed by aluminium foil Fireclay refractory followed by aluminium sheet 85% magnesia cement and glass wool Tar dolomite bricks followed by asbestos Cotton followed by aluminium foil Fireclay refractory followed by aluminium sheet 85% magnesia cement and glass wool Tar dolomite bricks followed by asbestos ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not concerned with the heat transfer? Brinkman number Peclet number Stanton number Schmidt number Brinkman number Peclet number Stanton number Schmidt number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it Decreases the outlet temperature of cooling medium Increases the overall heat transfer coefficient Decreases the pressure drop None of these Decreases the outlet temperature of cooling medium Increases the overall heat transfer coefficient Decreases the pressure drop None of these ANSWER DOWNLOAD EXAMIANS APP
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