Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Hot surface temperature Liquid density Interfacial tension Liquid viscosity Hot surface temperature Liquid density Interfacial tension Liquid viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by Newton's law of cooling None of these Fourier's law Fick's law Newton's law of cooling None of these Fourier's law Fick's law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For flow over a flat plate, the ratio of thermal boundary layer thickness, 'xt' and hydrodynamic boundary layer thickness 'x' is equal to (where, NPr = Prandtl number) NPr1/3 NPr-1 NPr-1/3 NPr NPr1/3 NPr-1 NPr-1/3 NPr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam condensate is recovered by steam traps and recycled for use as boiler feed water, because of its low All of these Suspended solids content Hardness Dissolved soilds content All of these Suspended solids content Hardness Dissolved soilds content ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not concerned with the heat transfer? Schmidt number Stanton number Peclet number Brinkman number Schmidt number Stanton number Peclet number Brinkman number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the absorptivity of a black body? 1 0.95 0.78 1 0.95 0.78 ANSWER DOWNLOAD EXAMIANS APP
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