A . on top cover
B . on sides of bowl
C . in drain line on the discs
D . on the disc
[名词解释] 产沙量(sediment yield)
[单选题]In a purifier, the interface between the liquid seal and the oil should be positioned as close as possible to ().A . the outlet of oilB . the outlet of waterC . the bowl peripheryD . the center of bowl
[单选题]F.or a purifier changing to a gravity disc with smaller hole diameter will move the interface towards the _______.A.bowl peripheryB.bowl centerC.upper surfaceD.lower surface
[单选题]In a purifier changing to a gravity disc with larger hole diameter will move the interface towards the ().A . bowl peripheryB . bowl centerC . upper surfaceD . lower surface
[单选题]To ensure oil purifier working in normal condition, the interval between two sludge discharging should not exceed_______hours.A.2B.4C.5D.6
[主观题]what is the use of a purifier ?explain the purpose of a gravity disc ?
[单选题]The () or balance tank collects the re-circulated fuel oil.A . overflowingB . sumpC . bilgeD . buffer
[单选题]An analyst collects data relating to five commonly used measures of financi
[单选题]An analyst collects the following data on the return on equity (ROE) and th
[单选题]An analyst collects data relating to five commonly used measures of use of