#1
Which of the following is a common hazard in confined spaces?
High temperatures
Low humidity
Limited visibility
Loud noises
#2
What should be done before entering a confined space?
Nothing, if you have protective gear
Inform a colleague
Obtain permission and assess risks
Carry out the task quickly to minimize exposure
#3
What is the main purpose of a confined space entry permit?
To document the entry
To waive safety procedures
To identify confined spaces
To authorize entry and outline safety measures
#4
What is a common method for testing the atmosphere of a confined space?
Visual inspection
Sampling and analysis
Asking workers for their opinion
Listening for unusual sounds
#5
What is the primary purpose of a confined space safety monitor?
To supervise workers inside the confined space
To keep records of confined space incidents
To provide first aid to injured workers
To monitor atmospheric conditions and alert of hazards
#6
Which of the following is NOT a typical confined space hazard?
Toxic gases
Explosive atmosphere
Adequate lighting
Lack of oxygen
#7
What is the most common method of ventilation used in confined spaces?
Natural ventilation
Mechanical ventilation
Chemical ventilation
Radiant ventilation
#8
What is the maximum allowable concentration of a hazardous substance in the air, typically specified in confined space regulations?
Threshold Limit Value (TLV)
Minimal Risk Level (MRL)
Acceptable Exposure Limit (AEL)
Maximum Contaminant Level (MCL)
#9
In a confined space rescue, what is the first priority?
Retrieve the trapped individual immediately
Call emergency services
Ventilate the space
Assess the situation and ensure rescuer safety
#10
Which of the following is a key consideration when selecting a rescue harness for confined space rescue?
Color of the harness
Weight of the harness
Material of the harness
Comfort and fit of the harness
#11
What is the purpose of conducting a thorough risk assessment before entering a confined space?
To save time
To identify potential hazards and implement control measures
To meet legal requirements
To avoid wearing personal protective equipment
#12
What is the primary purpose of a tripod used in confined space rescue?
To provide access to the confined space
To support the weight of the rescue team
To anchor rescue systems and provide stability
To ventilate the confined space
#13
Which of the following actions is NOT recommended during confined space rescue operations?
Using non-sparking tools
Communicating clearly with the entrant
Working alone
Using appropriate PPE
#14
What is the primary objective of a confined space rescue plan?
To identify the most efficient rescue equipment
To reduce the need for confined space entry
To minimize the duration of the rescue operation
To ensure the safe and timely rescue of entrants