Heat and Mass Transfer The natural convection air cooled condensers are used in All of these Water coolers Domestic refrigerators Room air conditioners All of these Water coolers Domestic refrigerators Room air conditioners ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The process of heat transfer from one particle of the body to another by the actual motion of the heated particles, is called Convection None of these Radiation Conduction Convection None of these Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The unit of Stefan Boltzmann constant is watt/cm3 °K watt2/cm °K⁴ watt/cm2 °K⁴ watt/cm4 °K watt/cm3 °K watt2/cm °K⁴ watt/cm2 °K⁴ watt/cm4 °K ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has least value of conductivity? Air Glass Water Plastic Air Glass Water Plastic ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In heat exchangers, degree of approach is defined as the difference between temperatures of Cold water inlet and outlet Hot medium outlet and cold water outlet Hot medium inlet and outlet Hot medium outlet and cold water inlet Cold water inlet and outlet Hot medium outlet and cold water outlet Hot medium inlet and outlet Hot medium outlet and cold water inlet ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Total heat is the heat required to Increase the temperature of a liquid or vapour Convert water into steam and superheat it Change liquid into vapour Change vapour into liquid Increase the temperature of a liquid or vapour Convert water into steam and superheat it Change liquid into vapour Change vapour into liquid ANSWER DOWNLOAD EXAMIANS APP