Heat Transfer Dropwise condensation occurs on __________ surfaces clean and dirt free polished contaminated cooling smooth clean clean and dirt free polished contaminated cooling smooth clean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Both A and B Non-isothermal Isothermal Neither A and B Both A and B Non-isothermal Isothermal Neither A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area Remains constant Decreases Passes through a maxima Increases Remains constant Decreases Passes through a maxima Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? < 0.5 > 0.6 0.5 < 0.1 < 0.5 > 0.6 0.5 < 0.1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat produced when a steady state current, I passes through an electrical conductor having resistance, 'R' is None of the listed here I2R IR IR2 None of the listed here I2R IR IR2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Three solid objects of the same material and of equal mass-a sphere, a cylinder (length = diameter) and a cube are at 500°C initially. These are dropped in a quenching bath containing a large volume of cooling oil each attaining the bath temperature eventually. The time required for 90% change in temperature is the smallest for Cylinder Sphere Cube Equal for all the three Cylinder Sphere Cube Equal for all the three ANSWER DOWNLOAD EXAMIANS APP
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