A liquid metal flowing at the mass flow of 4 kg/s in a 6 cm diameter tube which is heated with constant flux. The surface temperature is 240°C and outlet temperature of liquid metal is 200°C....

A liquid metal flowing at the mass flow of 4 kg/s in a 6 cm diameter tube which is heated with constant flux. The surface temperature is 240°C and outlet temperature of liquid metal is 200°C. Determine the length of the tube for 25°C rise in bulk temperature. The properties of liquid metal are—