Which statement about the inert gas system is TRUE?

A
Boiler soot blowers should never be used when the IG system is operating.
B
The boiler will produce the best quality of flue gas for the IG system when the boiler load is very light.
C
The boiler will produce the most quantity of flue gas for the IG system when the boiler load is very light.
D
Flue gas with excessive oxygen content is de-oxygenated in the scrubber.
E