Heat Transfer For an ideal black body Emissivity = 0 Reflectivity = 1 Transmissivity = 1 Absorptivity = 1 Emissivity = 0 Reflectivity = 1 Transmissivity = 1 Absorptivity = 1 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 In a heat exchanger, one transfer unit means None of these A section of the exchanger in which change in temperature of one stream equals the average driving force in the section The size of the exchanger in which heat transfer rate is 1 kcal/hr Both A and B None of these A section of the exchanger in which change in temperature of one stream equals the average driving force in the section The size of the exchanger in which heat transfer rate is 1 kcal/hr Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For __________ Prandtl number values, the heat conduction will be negligible in the buffer zone. Low No High Extremely low Low No High Extremely low 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
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 none of the listed here temperature of the body only nature of material of body wavelength of monochromatic radiation none of the listed here temperature of the body only ANSWER DOWNLOAD EXAMIANS APP
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