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

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

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Chemical Engineering Plant Economics
The depreciation during the year 'n', in diminishing balance method of depreciation calculation, is calculated by multiplying a fixed percentage 'N' to the

Depreciation during the (n - 1)th year
Initial cost
Difference between initial cost and salvage value
Book value at the end of (n - 1)th year

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