Enclosed Space Safety Quiz

What is the first step before entering an enclosed space?

• Start ventilation

• Risk assessment and planning

• Assign a safety attendant

• Conduct a post-entry debrief

Which gas level range is acceptable for safe entry into an enclosed space?

• 16% - 18% oxygen

• 19.5% - 23.5% oxygen

• 24% - 26% oxygen

• Any level is acceptable if wearing PPE

What should be done if gas levels exceed safe limits during inspection?

• Continue working carefully

• Increase communication

• Evacuate immediately and ventilate

• Ignore if wearing a helmet

Which item is NOT part of required PPE for enclosed space entry?

• Respiratory protection

• Safety harness

• Slippers

• Helmet

Why is continuous monitoring important?

• To check for physical hazards only

• To ensure gas levels remain safe during entry

• To log worker names

• To record inspection findings

Who must remain outside the enclosed space during entry?

• Captain

• Safety Attendant

• Cook

• Engineer only

What must be displayed at the entry point before entry?

• A map

• A warning sign

• An authorized entry permit

• Rescue equipment

What should be included in a pre-entry briefing?

• Lunch menu

• Entry permit, emergency plan, roles

• Names of all crew

• Weather forecast

Which equipment helps remove hazardous gases before entry?

• Fire extinguisher

• Mechanical ventilation (fans or blowers)

• Lifeline

• Safety boots

What is the first step in an emergency rescue?

• Provide first aid

• Conduct an interview

• Activate the emergency alarm

• Write an incident report