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單項選擇題

The most suitable pump for oily water separator feed duties is （）.

A.a reciprocating pump
B.a vane pump
C.a centrifugal pump
D.a triple screw pump

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單項選擇題

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

單項選擇題

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

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