Question 622Steam Plants - Assistant Engineer70% to pass
In the operation of a lube oil clarifier, the position of the oil/water interface should be _______________.
AI Explanation
The correct answer is A) non-existent.
In the operation of a lube oil clarifier, the position of the oil/water interface should be non-existent. This is because the purpose of a lube oil clarifier is to separate the oil and water components completely, producing a pure oil stream with no water content. The clarifier uses centrifugal force to achieve this separation, and the design should be such that the oil and water phases are fully separated with no discernible interface between them.
The other answer choices are incorrect because they do not accurately describe the proper operation of a lube oil clarifier. The position of the oil/water interface is not maintained by the number of disks, the ring dam, or the diaphragm-type weir control valve. These components are designed to facilitate the complete separation of the oil and water phases, not to control the position of the interface between them.
Related Questions
#620 The disk stack and tubular shaft used in a lube oil centrifugal purifier is forced to rotate at bowl speed by _______________.#621 In a disk-type lubricating oil purifier, _______________.#623 Of the many impurities commonly found in marine lubricating oil, which of the following CANNOT be removed by a centrifugal purifier at normal operating speeds and temperatures? #624 In order to obtain the best performance with a lube oil purifier, the lube oil inlet temperature should _______________.#625 The water seal in a centrifuge, operating at normal speed, prevents the lube oil from discharging from the water outlet. Another function of the seal is to _______________.