Book 3: 4-11 "Confined Space Entry" Flashcards
In preparation for a confined space entry some of the items to check include all of the following except:
Select one:
A. Calibration of gas tester
B. Blanking as close as possible to the confined space
C. Gas testing for LEL, oxygen, and toxic materials
D. The horoscope of the worker
E. Complete and adequate blanking
D. The horoscope of the worker
Confined spaces include, but are not limited to all of the following except:
Select one:
A. Sewers
B. Trenches
C. Washrooms
D. Silos
E. Tanks
C. Washrooms
Some important questions to consider when planning to enter a confined space include all of the following except:
Select one:
A. If mechanical ventilation is provided no oxygen level measurement is required
B. Has the space been made secure from outside contamination?
C. Has the area been tested for the presence of explosive or toxic gases?
D. Is the temperature within the space within tolerable working limits?
E. Is the confined space structurally safe to enter?
A. If mechanical ventilation is provided no oxygen level measurement is required
In preparation for a confined space entry the emergency preparation procedure provides for all of the following except:
Select one:
A. Aerosol emergency horn
B. Worker trained in artificial respiration
C. Unit evacuation and assembly point
D. Training the observer to remove a worker
E. Adequate fresh air breathing equipment
D. Training the observer to remove a worker
The person assigned to attend a worker who has entered a confined space must:
Select one:
A. Leave the station only if the worker inside gives permission to leave
B. Not summon assistance in an emergency unless requested to do so
C. Monitor the environment within the confined space only if a problem is suspected.
D. Never enter to rescue the worker until help arrives.
E. Keep all other workers or supervisors away from the opening.
D. Never enter to rescue the worker until help arrives.
A worker inside a confined space that is being ventilated and in which a harmful atmosphere must not develop shall be:
Select one:
A. In possession of a fully charged emergency air horn
B. Attended by another worker only if the ventilation source is shut off
C. Allowed to send the safety watch person to fetch tools
D. Attended by at least two other workers at all times
E. Be in the continuous, direct sight of a fellow worker
C. Allowed to send the safety watch person to fetch tools
Confined space entry presents all of the following potential hazards except:
Select one:
A. Moving vehicular traffic
B. The environment, or work in progress, may cause equipment being used to become a hazard
C. Improper lighting makes it difficult to see or identify hazards
D. The use of improper equipment creates potentially dangerous conditions
E. Harmful substances and/or creatures may be present
A. Moving vehicular traffic
Typical Occupational Health and Safety (OH&S) Regulations State that no worker shall be required or permitted to enter a confined space unless all of the following conditions are satisfied except:
Select one:
A. A ventilation system is being used
B. Appropriate tests have been made immediately prior to entry to confirm the absence of any harmful gases
C. The worker has been provided with and is wearing approved respiratory protective equipment
D. All sources or potential sources of ignition have been controlled or eliminated when flammable or explosive gases are present
E. A deficiency of oxygen has not developed
A. A ventilation system is being used
A Confined Space is defined as:
Select one:
A. Any enclosed or partially enclosed space having restricted access and egress and which due to its nature may form a trap or become a life threatening environment
B. Any enclosed space having restricted access and egress and which due to its nature may form a trap or become a life threatening environment
C. Any enclosed or partially enclosed space having restricted access which due to its nature may form a trap or become a life threatening environment
D. Any enclosed or partially enclosed space having access and egress and which due to its nature may form a trap or become a life threatening environment
E. Any partially enclosed space having restricted access and egress and which due to its nature may form a trap or become a life threatening environment
A. Any enclosed or partially enclosed space having restricted access and egress and which due to its nature may form a trap or become a life threatening environment
In preparation for a confined space entry the procedure lists the material hazards ‘unique’ to this entry including all of the following except:
Select one:
A. Pyrophoric materials
B. Flammable gases
C. Toxic gases, i.e. H2S and chlorine
D. Toxic chemicals
E. Oxygen
E. Oxygen
When a worker requires a safety harness and enters a vessel from the top, the harness shall:
Select one:
A. Maintain the worker in a vertical position
B. Keep the worker in a prone position
C. Be attached to a winch
D. Be constructed of hemp material
E. Be made of a synthetic material
A. Maintain the worker in a vertical position
Relative to confined spaces, the minimum O2 level should not be below:
Select one:
A. 18%
B. 20%
C. 2%
D. 12%
E. 10%
B. 20%
Confined spaces include, but are not limited to all of the following except:
Select one:
A. Trenches
B. Tanks
C. Silos
D. Sewers
E. Washrooms
E. Washrooms
Some important questions to consider when planning to enter a confined space include all of the following except:
Select one:
A. Is the confined space structurally safe to enter?
B. Has the space been made secure from outside contamination?
C. Has the area been tested for the presence of explosive or toxic gases?
D. Is the temperature within the space within tolerable working limits?
E. If mechanical ventilation is provided no oxygen level measurement is required
E. If mechanical ventilation is provided no oxygen level measurement is required
A Confined Space is defined as:
Select one:
A. Any enclosed or partially enclosed space having restricted access and egress and which due to its nature may form a trap or become a life threatening environment
B. Any enclosed space having restricted access and egress and which due to its nature may form a trap or become a life threatening environment
C. Any enclosed or partially enclosed space having restricted access which due to its nature may form a trap or become a life threatening environment
D. Any partially enclosed space having restricted access and egress and which due to its nature may form a trap or become a life threatening environment
E. Any enclosed or partially enclosed space having access and egress and which due to its nature may form a trap or become a life threatening environment
A. Any enclosed or partially enclosed space having restricted access and egress and which due to its nature may form a trap or become a life threatening environment
