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The equal percentage characteristic of a valve is

[A].	Uniform flow rate	[B].	Flow rate proportional to valve lift
[C].	Each increment of plug movement produces a change in flow which is proportional to the amount flowing before the change occurred	[D].	The flow rate before the plug movement is equal to the flow rate after the movement
[E].	Percentage increase in flow is equal to the percentage increase in lift

Answer: Option C