If flammable vapors have penetrated a gas...

Question 1 / 205eccef9ebacbc34ba4d4659e

Question 1 of 205eccef9ebacbc34ba4d4659e

If flammable vapors have penetrated a gas free space, which of the following actions would be the most hazardous to perform?

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Question 1 of 20

5eccef9ebacbc34ba4d4659e

If flammable vapors have penetrated a gas free space, which of the following actions would be the most hazardous to perform?

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🔍 Key Concepts

• Behavior of flammable vapors in enclosed spaces • Risk of sparks/arcing from electrical equipment in a flammable atmosphere • Difference between operating switches inside the space vs. controlling power remotely/adjacent to the space

💭 Think About

• Which actions involve making or breaking electrical contacts inside the space where vapors are present? • In a flammable atmosphere, what is more dangerous: changing the state of a circuit (switching on/off) or leaving an existing energized circuit untouched? • Which option reduces the chance of creating a spark where the vapors are, while still controlling power if needed?

✅ Before You Answer

• Identify which choices involve operating electrical switches inside the gas-affected space • Consider which action is most likely to create an ignition source (spark or arc) in the presence of vapors • Verify standard practice for dealing with suspected flammable atmospheres in cargo holds or pump rooms before energizing or de-energizing equipment

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Question 1 of 20

If flammable vapors have penetrated a gas free space, which of the following actions would be the most hazardous to perform?

Opening switches in the space to de-energize circuits

Closing switches adjacent to the space to operate vent fans

Leaving electrical circuits energized in the space

Securing all power to the space from a remote location

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Question 1 / 205eccef9ebacbc34ba4d4659e

Question 1 of 205eccef9ebacbc34ba4d4659e

If flammable vapors have penetrated a gas free space, which of the following actions would be the most hazardous to perform?

Back

Question 1 of 20

5eccef9ebacbc34ba4d4659e

If flammable vapors have penetrated a gas free space, which of the following actions would be the most hazardous to perform?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed