Heat Transfer Calburn analogy is applicable for the value of Prandtl number from 120 to 400 0.001 to 1 0.5 to 5 0.6 to 120 120 to 400 0.001 to 1 0.5 to 5 0.6 to 120 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Remains unchanged Decreases Increases Increases exponentially Remains unchanged Decreases Increases Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In sub-cooled boiling, Very large vapour space is necessary Temperature of the heating surface is more than the boiling point of the liquid Temperature of the heating surface is less than the boiling point of the liquid Bubbles from heating surface are absorbed by the mass of the liquid Very large vapour space is necessary Temperature of the heating surface is more than the boiling point of the liquid Temperature of the heating surface is less than the boiling point of the liquid Bubbles from heating surface are absorbed by the mass of the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube type heat exchanger, the floating tube bundle heat arrangement is used Because of its low cost In low range of temperature differences To prevent corrosion of the tube bundles In high range of temperature differences Because of its low cost In low range of temperature differences To prevent corrosion of the tube bundles In high range of temperature differences ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam consumption in kg/hr in case of an evaporator is given by (where, C & E are capacity the economy of the evaporator respectively) E/C C/E 1/CE CE E/C C/E 1/CE CE 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 Baffle spacing & shell diameter None of these Viscosity, density & mass velocity of shell side fluid Tube diameter & pitch Baffle spacing & shell diameter None of these Viscosity, density & mass velocity of shell side fluid ANSWER DOWNLOAD EXAMIANS APP
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