The temperature of contaminated heavy fuel...

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Question 1 of 205eccefa2bacbc34ba4d479b8

The temperature of contaminated heavy fuel oil fed to the centrifuge, shown in the illustration, should be at 95°C (203°F) to no greater than 99°C (210°F) in order to __________. See illustration MO-0012.

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🔍 Key Concepts

• Purpose of heating heavy fuel oil before centrifuging (viscosity reduction and separation efficiency) • Behavior of water vs oil at high temperature inside a rotating bowl (liquid vs vapor phases) • How flash point and melting/warping temperatures compare with 95–99°C

💭 Think About

• Ask yourself what the centrifuge in the illustration is trying to separate and how that depends on the water staying in a particular physical state • Consider why the manufacturer would specify a maximum of 99°C when water changes state at about 100°C under normal conditions • Compare the typical flash point of heavy fuel oil and the melting/warping temperatures of metals with the given operating temperature range

✅ Before You Answer

• Verify which condition would most directly harm separation efficiency inside the disk stack shown in the bowl • Check which options talk about water behavior rather than metal damage or ignition risk • Confirm which listed problem could realistically occur right around 100°C inside this purifier system

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