单项选择题
In a purifier, the interface between the liquid seal and the oil should be positioned as close as possible to （）.
A.the outlet of oil
B.the outlet of water
C.the bowl periphery
D.the center of bowl
点击查看答案&解析
相关考题
-
单项选择题
In a purifier changing to a gravity disc with larger hole diameter will move the interface towards the （）.
A.bowl periphery
B.bowl center
C.upper surface
D.lower surface -
单项选择题
In a marine diesel engine the oil sump is （）.
A.just below the crankcase
B.the oil cup for the exhaust valve
C.the pan for collecting drain fuel oil
D.oil circulating pump -
单项选择题
In a general oil cooler circulated by sea water, the oil is at a higher pressure, the result being that any leak in the cooler will mean a loss of （）.
A.oil
B.sea water
C.air
D.fresh water
