Heat Transfer Dropwise condensation of steam on cooling surface is promoted Only in presence of air When both the steam and the tube are clean An oily surface None of these Only in presence of air When both the steam and the tube are clean An oily surface None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances. Product Sum Geometric mean Average Product Sum Geometric mean Average ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Water Molten sodium Air Dowtherm Water Molten sodium Air Dowtherm ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Non-isothermal Both A and B Isothermal Neither A and B Non-isothermal Both A and B Isothermal Neither A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator unit No pump is required to withdraw the product from the last effect None of these Transfer from effect to effect is done by pumps Viscosity of liquid is highest in first effect No pump is required to withdraw the product from the last effect None of these Transfer from effect to effect is done by pumps Viscosity of liquid is highest in first effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Stefen's block body radiation law can also be derived from __________ law. Kirchoffs Fourier's Planck's None of these Kirchoffs Fourier's Planck's None of these ANSWER DOWNLOAD EXAMIANS APP
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