Question

In a thermocouple, the temperature of cold junction is ${25}^{0}C$ and temperature of inversion is ${515}^{0}C$. Neutral temperature is :

• A. ${515}^{0}C$
• B. ${490}^{0}C$
• C. ${245}^{0}C$
• D. ${270}^{0}C$

Answer 1

Answer: (D)

${270}^{0}C$

$T_n-T_c=T_i-T_n$
$T_n$=temperature at neutral junction
$T_c$=temperature at cold junction
$T_i$=temperature at inversion junction
so
$T_n=\frac{515+25}{2}={270}^{0}C$