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Heavy Duty Equipment Technician Red Seal Exam Prep · Question

What is the potential consequence of a clogged oil filter in an engine's lubrication system?

A clogged oil filter forces the lubricating oil through a bypass valve, allowing unfiltered oil to circulate, or in severe cases, can restrict oil flow, leading

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Question: What is the potential consequence of a clogged oil filter in an engine's lubrication system?

Answer options:

  • Increased engine power
  • Reduced fuel consumption ✅ Bypassed oil flow leading to unfiltered oil circulation or oil starvation
  • Improved engine cooling

Correct answer: Bypassed oil flow leading to unfiltered oil circulation or oil starvation

Explanation: A clogged oil filter forces the lubricating oil through a bypass valve, allowing unfiltered oil to circulate, or in severe cases, can restrict oil flow, leading to oil starvation and accelerated engine wear.

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