Question 177Steam Plants - 1st Asst/Chief
70% to passThe flash point of a residual fuel oil should be used to determine the highest temperature to which the oil may be heated _______________.
Ain the recirculating line
Bfor centrifuging
Cfor atomizing
Din a storage tank
AI Explanation
The correct answer is D) in a storage tank. The flash point of a residual fuel oil is used to determine the highest temperature to which the oil may be heated in a storage tank. This is because the flash point is the lowest temperature at which the oil can form an ignitable mixture with air. Heating the oil above its flash point in a storage tank could create a fire or explosion hazard. The other options (recirculating line, centrifuging, atomizing) do not directly relate to the use of the flash point as a safety limit for storage tank temperatures.
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