A thermocouple is placed in a large heated duct to measure

Last updated: 6/27/2023

A thermocouple is placed in a large heated duct to measure the temperature of the gas flowing through the duct The duct walls are at 425 C and the thermocouple indicates a temperature of 170 C The heat transfer coefficient from the gas to the thermocouple is 150 W m C The emissivity of the thermocouple material is 0 43 What is the temperature of the gas