Confined Space Entry Flashcards

What is the purpose of lockout/tagout before entering a confined space?

Answer: To control hazardous energy and prevent unexpected startup or release

Lockout/tagout controls all hazardous energy sources connected to the space to prevent accidental energization, startup, or release of stored energy during entry.

Which standard governs permit-required confined spaces in general industry?

Answer: 29 CFR 1910.146

29 CFR 1910.146 is the OSHA standard covering permit-required confined spaces specifically for general industry workplaces.

What type of ventilation is preferred to control atmospheric hazards in a confined space?

Answer: Forced-air mechanical ventilation

Forced-air mechanical ventilation is the preferred method because it actively supplies fresh air and dilutes or purges hazardous atmospheres more reliably than natural ventilation.

An authorized entrant in a confined space must be trained to recognize which of the following?

Answer: Hazardous conditions that could endanger them and how to use equipment safely

Authorized entrants must be trained to recognize hazardous conditions, properly use all required equipment, and communicate with the attendant throughout the entry.

What action should be taken if a rescue service cannot respond to a confined space emergency within an acceptable timeframe?

Answer: Cancel entry until an appropriate rescue service is available

OSHA requires employers to ensure rescue services are capable of responding in a timely manner; if they cannot, entry should not proceed until proper rescue capability is established.

Which document must be posted at the entrance of a permit-required confined space during an authorized entry?

Answer: The completed entry permit

OSHA requires the completed entry permit to be made available to entrants by posting it at the entry point or by any other means so all personnel are informed of the conditions.