单项选择题
A.a reciprocating pump B.a vane pump C.a centrifugal pump D.a triple screw pump
Placing a filter on the （） of an oily water separator w...
单项选择题Placing a filter on the （） of an oily water separator will "polish" the discharge but overloading must be avoided.
A.suction side B.discharge side C.by-pass pipe D.sampling pipe
The resistance to the movement of the globule in oily w...
单项选择题The resistance to the movement of the globule in oily water mixture depends on its size and the （） of the fluid.
A.pressure B.velocity C.gravity D.viscosity
The principle of separation by which all commercially a...
单项选择题The principle of separation by which all commercially available oily water separators function is （） differential between oil and water.
A.the temperature B.the viscosity C.the gravity D.the size
