When a boiler is removed from service, it can be drained once the temperature reaches approximately:
a. 150°C
b. 30°C
c. 50°C
d. 90°C
e. 70°C
Answer: D
When a boiler is removed from service, it can be drained once the temperature reaches approximately:
a. 150°C
b. 30°C
c. 50°C
d. 90°C
e. 70°C
Answer: D