Heat Transfer In the equation Q = UAΔt; Δt is The difference of average bulk temperatures of hot and cold fluids Arithmetic mean temperature difference Geometric mean temperature difference Logarithmic mean temperature difference The difference of average bulk temperatures of hot and cold fluids Arithmetic mean temperature difference Geometric mean temperature difference Logarithmic mean temperature difference ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid. Equal to More than Either more or less than (depending upon the fluid) Less than Equal to More than Either more or less than (depending upon the fluid) Less than ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A __________ evaporator employs an annular downtake. Long tube vertical None of these Horizontal Basket type Long tube vertical None of these Horizontal Basket type ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law applies to the heat transfer by convection conduction radiation None of the listed here convection conduction radiation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical? 1 > 1 None of these < 1 1 > 1 None of these < 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is concerned with both heat and mass transfer ? Nusselt number Lewis relationship Kutateladze number Froude number Nusselt number Lewis relationship Kutateladze number Froude number ANSWER DOWNLOAD EXAMIANS APP
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