Log In


Engine : Engineering Safety - 273/968
Get a hint
« Previous Question
If there has been a fire in a closed unventilated compartment it may be unsafe to enter because of __________.
A) excess hydrogen
B) unburned carbon particles
C) excess nitrogen
D) a lack of oxygen
loading answer...
Comments
There are no comments for this question.
0 0 0%

Study Mode
Answers Only
Options
Clear Score