Oil temperature in the green range covers what range?

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Prepare for the GoJet Airlines CRJ-550 Test. Use flashcards, multiple choice questions, and detailed explanations to ace your exam!

Multiple Choice

Oil temperature in the green range covers what range?

Explanation:
The green range on the oil temperature gauge shows the normal operating window for engine oil. For the CRJ-550’s oil, that window is -40°C to 155°C. Staying within this arc means the oil is at a viscosity that provides proper lubrication and protection for the engine bearings and components. If the temperature drops below -40°C, the oil becomes too thick to flow well, hindering lubrication especially during start. If the temperature climbs above 155°C, the oil can degrade and lose its protective film, increasing wear. So the green range corresponds to -40 to 155 C.

The green range on the oil temperature gauge shows the normal operating window for engine oil. For the CRJ-550’s oil, that window is -40°C to 155°C. Staying within this arc means the oil is at a viscosity that provides proper lubrication and protection for the engine bearings and components. If the temperature drops below -40°C, the oil becomes too thick to flow well, hindering lubrication especially during start. If the temperature climbs above 155°C, the oil can degrade and lose its protective film, increasing wear. So the green range corresponds to -40 to 155 C.

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