Which of the following conditions would be...

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Question 1 of 205eccefa2bacbc34ba4d479f2

Which of the following conditions would be the most probable cause for the 'low oil temperature after preheater' LED indicators, as shown in the illustration, to be illuminated? Illustration MO-0127

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Question 1 of 20

5eccefa2bacbc34ba4d479f2

Which of the following conditions would be the most probable cause for the 'low oil temperature after preheater' LED indicators, as shown in the illustration, to be illuminated? Illustration MO-0127

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🔍 Key Concepts

• Study how the steam-heated preheater in the diagram raises the oil temperature before it enters the purifier. • Trace the steam flow path: steam inlet, control valve, preheater, and condensate/steam trap shown on the right side of the illustration. • Compare factors that change the oil inlet temperature (from day/settling tanks) versus factors that change the heating performance of the preheater itself.

💭 Think About

• Which option changes the amount of heat actually supplied inside the preheater, as shown by the steam-side piping and controls in the illustration? • If the oil coming from the day or settling tank is colder or hotter, should a correctly working preheater still be able to reach the set outlet temperature? Why or why not? • Look at the location of the temperature indicators and sensor in the diagram: which component are they giving feedback to, and which of the answer choices would most directly interfere with that control loop?

✅ Before You Answer

• Identify on the drawing where steam control occurs and how it is regulated by the temperature after the preheater. • Note the role and location of the steam trap/condensate return and decide whether a wrong trap type is the most probable single cause for a low-temperature alarm. • Decide whether changes in tank temperatures (day tank vs settling tank) would normally be compensated for by the preheater, or whether they would immediately cause a low oil temperature after the preheater.

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Question 1 of 205eccefa2bacbc34ba4d479f2

Which of the following conditions would be the most probable cause for the 'low oil temperature after preheater' LED indicators, as shown in the illustration, to be illuminated? Illustration MO-0127

Back

Question 1 of 20

5eccefa2bacbc34ba4d479f2

Which of the following conditions would be the most probable cause for the 'low oil temperature after preheater' LED indicators, as shown in the illustration, to be illuminated? Illustration MO-0127

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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