OSHA Confined Space Entry 3

Question 1

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

Accepted Answer

To control hazardous energy and prevent unexpected startup or release

Answer

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

Question 2

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

Accepted Answer

29 CFR 1910.146

Answer

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

Question 3

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

Accepted Answer

Forced-air mechanical ventilation

Answer

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.

Question 4

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

Accepted Answer

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

Answer

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

Question 5

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

Accepted Answer

Cancel entry until an appropriate rescue service is available

Answer

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.

OSHA Safety Certificate Practice Test

OSHA Safety Certificate Practice Test

OSHA Confined Space Entry 3