The neutralization number of lube oil used...

Question 1 / 205eccefa1bacbc34ba4d47282

Question 1 of 205eccefa1bacbc34ba4d47282

The neutralization number of lube oil used in the machinery has exceeded its permissible range, therefore, it will be necessary to __________.

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Question 1 of 20

5eccefa1bacbc34ba4d47282

The neutralization number of lube oil used in the machinery has exceeded its permissible range, therefore, it will be necessary to __________.

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🔍 Key Concepts

• Neutralization number as an indicator of lube oil acidity/contamination • How lube oil treatment (centrifuging, make‑up oil) affects contaminants versus chemical breakdown • When lube oil is considered unserviceable and must be completely replaced

💭 Think About

• Ask yourself what a high neutralization number actually means about the oil’s condition—has it just collected solids/water, or has it chemically degraded? • Which of the options would permanently correct excessive acidity, not just temporarily improve appearance or dilution? • In real engine‑room practice, when lube oil test results go beyond safe limits, what action is required from a safety and machinery‑protection standpoint?

✅ Before You Answer

• Confirm that centrifuging mainly removes water and solids, not the acidic products that raise neutralization number. • Consider whether adding makeup oil meaningfully changes the overall neutralization number if the bulk of the oil is already degraded. • Think about manufacturer/USCG guidance: when a critical property like neutralization number exceeds permissible range, is partial treatment acceptable, or is full renewal usually required?

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Question 1 of 20

The neutralization number of lube oil used in the machinery has exceeded its permissible range, therefore, it will be necessary to __________.

centrifuge the oil

add makeup oil

renew the entire oil supply

operate the machinery at reduced power

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Question 1 / 205eccefa1bacbc34ba4d47282

Question 1 of 205eccefa1bacbc34ba4d47282

The neutralization number of lube oil used in the machinery has exceeded its permissible range, therefore, it will be necessary to __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d47282

The neutralization number of lube oil used in the machinery has exceeded its permissible range, therefore, it will be necessary to __________.

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