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

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

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Chemical Engineering Plant Economics
An annuity is a series of equal payments occuring at equal time intervals, and this amount includes the sum of all payments plus interest, if allowed to accumulate at a definite rate of interest from the time of initial payment to the end of annuity term. Ordinary annuity is used in the calculation of the

Discrete compound interest
Cash ratio
Manufacturing cost
Depreciation by sinking fund method

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