Confined Space Awareness Test Questions
With Complete Solutions
1. Which of the following is included but not limited to confided spaces?
A) Vessels
B) Tanks
C) Vaults
D) Trenches
E) All the Above E) All the above
How many times per year are rescue exercises conducted? At least once
Many workers are injured and killed each year while working in confined spaces. An estimated
______ of the fatalities have been among the would-be rescuers. 60%
Studies reveal that every year approximately ______ preventable deaths occur in confined
spaces. 67
, Confined Space Awareness Test Questions
With Complete Solutions
A space that meets the definition of a confined space and contains other recognized serious
safety and health hazards is what?
A) a confined space
B) a permit-required confined space
C) a non-permit-required confined space
D) not a confined space B) a permit-required confined space
Entering a permit space can prove fatal for an employee when the O2 level is below ______ and
above _______ Below 19.5% and Above 23.5%
T/F: If oxygen level is above 23.5% by volume the environment becomes unstable and prone to
flash fires or explosion True
T/F: If oxygen level is below 16% by volume the environment becomes unstable and prone to
flash fires or explosion True
What is the correct order of atmospheric testing?
A) flammables, toxics, oxygen, other
, Confined Space Awareness Test Questions
With Complete Solutions
B) toxics, oxygen, flammables, other
C) oxygen, toxics, flammables, other
D) oxygen, flammables, toxics, other D) oxygen, flammables, toxics, other
Atmospheres that contain a flammable component above ______ % of its Lower Explosive Limit
are considered hazardous for confined space entry?
A) 5%
B) 10%
C) 20%
D) 30% B) 10%
Which cause of death claims the highest percentage in confined spaces?
A) Engulfment
B) Heat stress/exposure
C) Hazardous atmospheres
D) Struck by falling objects C) Hazardous atmospheres
With Complete Solutions
1. Which of the following is included but not limited to confided spaces?
A) Vessels
B) Tanks
C) Vaults
D) Trenches
E) All the Above E) All the above
How many times per year are rescue exercises conducted? At least once
Many workers are injured and killed each year while working in confined spaces. An estimated
______ of the fatalities have been among the would-be rescuers. 60%
Studies reveal that every year approximately ______ preventable deaths occur in confined
spaces. 67
, Confined Space Awareness Test Questions
With Complete Solutions
A space that meets the definition of a confined space and contains other recognized serious
safety and health hazards is what?
A) a confined space
B) a permit-required confined space
C) a non-permit-required confined space
D) not a confined space B) a permit-required confined space
Entering a permit space can prove fatal for an employee when the O2 level is below ______ and
above _______ Below 19.5% and Above 23.5%
T/F: If oxygen level is above 23.5% by volume the environment becomes unstable and prone to
flash fires or explosion True
T/F: If oxygen level is below 16% by volume the environment becomes unstable and prone to
flash fires or explosion True
What is the correct order of atmospheric testing?
A) flammables, toxics, oxygen, other
, Confined Space Awareness Test Questions
With Complete Solutions
B) toxics, oxygen, flammables, other
C) oxygen, toxics, flammables, other
D) oxygen, flammables, toxics, other D) oxygen, flammables, toxics, other
Atmospheres that contain a flammable component above ______ % of its Lower Explosive Limit
are considered hazardous for confined space entry?
A) 5%
B) 10%
C) 20%
D) 30% B) 10%
Which cause of death claims the highest percentage in confined spaces?
A) Engulfment
B) Heat stress/exposure
C) Hazardous atmospheres
D) Struck by falling objects C) Hazardous atmospheres
