Heat Transfer Choose the most important factor on which the heat conducted through a wall in a unit time will depend on? Material of the wall Area of the wall perpendicular to heat flow Thickness of the wall Temperature difference between the two surfaces of the wall Material of the wall Area of the wall perpendicular to heat flow Thickness of the wall Temperature difference between the two surfaces of the wall ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of backward feed multiple effect evaporators over forward feed units is that Equal heat transfer co-efficients exist in various effects Heat sensitive material can be handled Most concentrated liquid is at highest temperature There is no additional cost of pumping Equal heat transfer co-efficients exist in various effects Heat sensitive material can be handled Most concentrated liquid is at highest temperature There is no additional cost of pumping ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Analogy between mass and heat transfer is not applicable in case of Same velocity profile or equal eddy diffusivities Thermal or pressure mass diffusion Both B and C Viscous heating or chemical reaction Same velocity profile or equal eddy diffusivities Thermal or pressure mass diffusion Both B and C Viscous heating or chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling of milk in an open vessel is an example of __________ boiling. Film Saturated nucleate Sub-cooled None of these Film Saturated nucleate Sub-cooled None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which one gives the monochromatic emissive power for black body radiation ? Stefan-Boltzman law Wien's law Kirchhoffs law Planck's law Stefan-Boltzman law Wien's law Kirchhoffs law Planck's law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the Low pressure drop Less corrosion problems High heat transfer co-efficient Flexibility possible in the baffle arrangement Low pressure drop Less corrosion problems High heat transfer co-efficient Flexibility possible in the baffle arrangement ANSWER DOWNLOAD EXAMIANS APP
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