单项选择题
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
In a domestic fresh water system, the pump starters are...
单项选择题In a domestic fresh water system, the pump starters are controlled by （） switches which operate when the pressure in the tank varies within predetermined limits as water is drawn off.
A.water level B.water flow C.temperature D.pressure
