Confined Space Practice Test
Confined Space Training Certificate Gas Testing & Monitoring
In what order should a multi-gas detector test for atmospheric hazards in a confined space?
Select your answer
A
Oxygen, flammable gas (LEL), carbon monoxide, hydrogen sulphide
B
Carbon monoxide first as it is most toxic, then oxygen
C
Hydrogen sulphide first as it is the most lethal gas
D
Order does not matter as all readings are simultaneous
Hint