Which oil temperature range corresponds to the amber range?

Which oil temperature range corresponds to the amber range?

• A. 156-163 C
• B. 0-155 C
• C. -40 to 155 C
• D. -20 to 180 C

Answer: (A)

Oil temperature indicators use color coding to signal different operating states: green for normal, amber for caution, and red for danger. The amber range sits just above the normal upper limit, signaling you’re approaching a critical temperature and should monitor closely. That’s why 156 to 163 degrees Celsius is the amber band in this system—the narrow window immediately after the green/normal range and before the red/danger range. The other options either fall within normal operation (0–155 C) or cover ranges that are too broad or include temperatures outside the amber zone (-40 to 155 C or -20 to 180 C), so they aren’t the amber band.

Oil temperature indicators use color coding to signal different operating states: green for normal, amber for caution, and red for danger. The amber range sits just above the normal upper limit, signaling you’re approaching a critical temperature and should monitor closely. That’s why 156 to 163 degrees Celsius is the amber band in this system—the narrow window immediately after the green/normal range and before the red/danger range. The other options either fall within normal operation (0–155 C) or cover ranges that are too broad or include temperatures outside the amber zone (-40 to 155 C or -20 to 180 C), so they aren’t the amber band.