Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Increases Remains unchanged Increases exponentially Decreases Increases Remains unchanged Increases exponentially Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that (where, St = Stanton number f = friction factor) St = f/2 St = 4f St = f/4 St = f1/2 St = f/2 St = 4f St = f/4 St = f1/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, one transfer unit means None of these A section of the exchanger in which change in temperature of one stream equals the average driving force in the section The size of the exchanger in which heat transfer rate is 1 kcal/hr Both A and B None of these A section of the exchanger in which change in temperature of one stream equals the average driving force in the section The size of the exchanger in which heat transfer rate is 1 kcal/hr Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Planck's distribution law is valid for __________ bodies all of the listed here white coloured black all of the listed here white coloured black ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which one gives the monochromatic emissive power for black body radiation ? Stefan-Boltzman law Planck's law Kirchhoffs law Wien's law Stefan-Boltzman law Planck's law Kirchhoffs law Wien's law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? White paint Grey paint Yellow paint Black paint White paint Grey paint Yellow paint Black paint ANSWER DOWNLOAD EXAMIANS APP
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