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

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

点击查看答案&解析

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

点击查看答案&解析