When cleaning cargo tanks with portable...

Question 1 / 2066636ee728f7522a1c5176e8

Question 1 of 2066636ee728f7522a1c5176e8

When cleaning cargo tanks with portable machines, how is the machine grounded?

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Question 1 of 20

66636ee728f7522a1c5176e8

When cleaning cargo tanks with portable machines, how is the machine grounded?

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🔍 Key Concepts

• Static electricity hazards during tank cleaning • How bonding and grounding are normally achieved for portable equipment on tankers • Differences between a reliable metallic conductor and incidental contact paths (like water or casual deck contact)

💭 Think About

• Which option describes a deliberate, continuously reliable electrical path, not something that might be intermittent or accidental? • Think about how shipboard procedures ensure that the portable machine is at the same electrical potential as the ship’s structure before cleaning begins. • Consider whether water alone is normally accepted as a safe grounding method for flammable atmospheres, or if a more positive method is required.

✅ Before You Answer

• Identify which choice provides a positive metallic connection rather than relying on fluids or gravity. • Eliminate any option that could be interrupted easily during normal operation (movement, vibration, changing jet direction, hose flexing). • Recall that tanker safety guidance emphasizes bonding/grounding of portable gear using dedicated conductors, not just contact or water flow.

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Question 1 of 20

When cleaning cargo tanks with portable machines, how is the machine grounded?

The water jets impinging on the vessel's structure form a pathway to ground.

Bonding wires are secured from the machine to a convenient location on deck.

The water supply hoses contain internal wires that act as conductors

The machines must maintain physical contact with the deck at the Butterworth opening.

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Question 1 / 2066636ee728f7522a1c5176e8

Question 1 of 2066636ee728f7522a1c5176e8

When cleaning cargo tanks with portable machines, how is the machine grounded?

Back

Question 1 of 20

66636ee728f7522a1c5176e8

When cleaning cargo tanks with portable machines, how is the machine grounded?

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?

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