Heat Transfer __________ paint has the minimum absorption co-efficient. Grey Light cream Black White lead Grey Light cream Black White lead ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As per Kirchoffs law, the ratio of the total radiating power to the absorptivity of a body depends on the temperature of the body only none of the listed here wavelength of monochromatic radiation nature of material of body temperature of the body only none of the listed here wavelength of monochromatic radiation nature of material of body 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) NPr-1 NPr1/3 NPr NPr-1/3 NPr-1 NPr1/3 NPr NPr-1/3 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of steel Remains unchanged Increases exponentially Decreases Increases Remains unchanged Increases exponentially Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) ∝ 1/t Independent of 't' ∝ √t ∝ t ∝ 1/t Independent of 't' ∝ √t ∝ t ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The capacity of double-effect evaporator is less than half of the capacity of two single effects, each of which is operating over same terminal temperature difference, when the None of these Solution has an elevation of boiling point Evaporators operate under vacuum Evaporators opreate at atmospheric pressure None of these Solution has an elevation of boiling point Evaporators operate under vacuum Evaporators opreate at atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP