The 'boil out' of a boiler:
a. Is done with an alkaline solution
b. Must be done every year
c. Is done before drying out the refractory
d. Must be done only with treated water
e. Is done at 1.5 times the maximum allowable working pressure
Answer: A
The 'boil out' of a boiler:
a. Is done with an alkaline solution
b. Must be done every year
c. Is done before drying out the refractory
d. Must be done only with treated water
e. Is done at 1.5 times the maximum allowable working pressure
Answer: A