单项选择题
A high rate of separation between oil and water is favored by （）.
A.large size of oil globule
B.low temperature
C.high viscosity
D.high flow rate
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相关考题
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单项选择题
When started, a complete oily water separating unit is first filled （）The oily water mixture is then pumped through the inlet pipe into the coarse separating compartment.
A.with dirty water
B.with clean water
C.by oily water
D.by mixed water -
单项选择题
In an oily water separator the oil will travel （） to the oil collecting spaces.
A.upwards
B.downwards
C.outwards
D.forwards -
单项选择题
For a purifier changing to a gravity disc with smaller hole diameter will move the interface towards the（）.
A.bowl periphery
B.bowl center
C.upper surface
D.lower surface
