Heat and Mass Transfer Unit of thermal diffusivity is m²/hr °C kcal/m² hr kcal/m. hr °C m²/hr m²/hr °C kcal/m² hr kcal/m. hr °C m²/hr ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Temperature of steam at around 540°C can be measured by None of these Thermistor Thermocouple Thermometer None of these Thermistor Thermocouple Thermometer ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The total radiation from a black body per second per unit area is ________ fourth power of the absolute temperature. This statement is known as Stefan Boltzmann law. Inversely proportional to None of these Equal to Directly proportional to Inversely proportional to None of these Equal to Directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The use of heat exchangers is made in All of these Condensers and evaporators in refrigeration and air conditioning units Condensers and boilers in steam plants Radiators in automobile All of these Condensers and evaporators in refrigeration and air conditioning units Condensers and boilers in steam plants Radiators in automobile ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The heat transfer from a hot body to a cold body is directly proportional to the surface area and difference of temperatures between the two bodies. This statement is called Stefan's law Newton's law of heating First law of thermodynamics Newton's law of cooling Stefan's law Newton's law of heating First law of thermodynamics Newton's law of cooling ANSWER DOWNLOAD EXAMIANS APP
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