Question 447Motor Plants - Assistant Engineer70% to pass
While operating the fuel oil centrifuge shown in the illustration, the bowl fails to open for sludge ejection. The probable cause is that_______________. Illustration MO-0012
AI Explanation
The correct answer is D) the seal ring on the operating slide is defective.
The seal ring on the operating slide is responsible for maintaining the proper pressure within the centrifuge bowl during operation. If this seal ring is defective, it can cause a loss of pressure, preventing the bowl from opening properly for sludge ejection. This is the most likely cause of the issue described in the question.
The other answer choices are incorrect because they do not directly address the issue with the seal ring. Clogged sludge ports (A) or a clogged bowl disk set (C) would not necessarily prevent the bowl from opening, and high operating water pressure (B) is not the primary cause of the problem described.
Related Questions
#445 Which of the following statements describes what will occur if the annular spaces, indicated by the letter "K" of the device shown in the illustration, became restricted? Illustration MO-0112 #446 As shown in the illustration, which of the following conditions would be responsible for a "low-pressure in oil outlet" alarm to be indicated? Illustration MO-0127 #448 While operating the fuel oil centrifuge shown in the illustration, the fuel oil is being continuously ejected with the sludge and the seal water. The probable cause is the _______________. Illustration MO-0012 #449 If a single cylinder relief valve on a main propulsion diesel engine begins to lift, but it is not possible to secure the engine, which of the following actions should be taken? #450 Prior to starting, the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to _______________.