Chemical Engineering Plant Economics
For a given fluid, as the pipe diameter increases, the pumping cost

May increase or decrease, depending upon whether the fluid is Newtonian or non-Newtonian
Remains the same
Decreases
Increases

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Chemical Engineering Plant Economics
Payback period

Is the length of time over which the earnings on a project equals the investment
All of these
Is affected by the variation in earnings after the recovery of the investment
And economic life of a project are the same

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