Heat and Mass Transfer Unit of thermal diffusivity is m²/hr °C m²/hr kcal/m. hr °C kcal/m² hr m²/hr °C m²/hr kcal/m. hr °C kcal/m² hr ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Temperature of steam at around 540°C can be measured by Thermistor Thermometer None of these Thermocouple Thermistor Thermometer None of these Thermocouple 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. Equal to None of these Directly proportional to Inversely proportional to Equal to None of these Directly proportional to Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The use of heat exchangers is made in Radiators in automobile All of these Condensers and boilers in steam plants Condensers and evaporators in refrigeration and air conditioning units Radiators in automobile All of these Condensers and boilers in steam plants Condensers and evaporators in refrigeration and air conditioning units 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 First law of thermodynamics Newton's law of cooling Newton's law of heating Stefan's law First law of thermodynamics Newton's law of cooling Newton's law of heating ANSWER DOWNLOAD EXAMIANS APP
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