Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? < 0.1 0.5 < 0.5 > 0.6 < 0.1 0.5 < 0.5 > 0.6 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Leidenfrost point is a term concerned with the Boiling of a liquid on a hot surface Concentration of a corrosive solution by evaporation Heat transfer between two highly viscous liquids Condensation of the saturated vapor on a cold surface Boiling of a liquid on a hot surface Concentration of a corrosive solution by evaporation Heat transfer between two highly viscous liquids Condensation of the saturated vapor on a cold surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its High proportion of air space Dense structure High specific heat None of these High proportion of air space Dense structure High specific heat None of these 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 nature of material of body wavelength of monochromatic radiation temperature of the body only none of the listed here nature of material of body wavelength of monochromatic radiation temperature of the body only none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation is generally recommended, when the Corrosive liquids are to be concentrated Large scale evaporation of liquor is needed Evaporation on small scale is to be done Fuel is cheaply available Corrosive liquids are to be concentrated Large scale evaporation of liquor is needed Evaporation on small scale is to be done Fuel is cheaply available ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing a 'catchall' in the vapor line of an evaporator is to Arrest the entrained liquid Create vacuum Regulate the vapor flow Vent the non-condensible gases Arrest the entrained liquid Create vacuum Regulate the vapor flow Vent the non-condensible gases ANSWER DOWNLOAD EXAMIANS APP
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