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Chemical Engineering Plant Economics

Chemical Engineering Plant Economics
With increase in the discounted cash flow rate of return, the ratio of the total present value to the initial investment of a given project

Remains constant
Decreases
Increases linearly
Increases

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Chemical Engineering Plant Economics
If an amount R is paid at the end of every year for 'n' years, then the net present value of the annuity at an interest rate of i is

R/(1 + i)n
[((1 + i)n - 1)/i(1 + i)n]
R[((1 + i)n - 1)/i]
R(1 + i)n

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Chemical Engineering Plant Economics
Depreciation is __________ in profit with time.

None of these
No change
Increase
Decrease

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Chemical Engineering Plant Economics
According to six-tenths-factor rule, if the cost of a given unit at one capacity is known, then the cost of similar unit with '' times the capacity of the first unit is approximately equal to __________ times the cost of the initial unit.

√n
N0.6
N
N0.4

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Chemical Engineering Plant Economics
Optimum economic pipe diameter for fluid is determined by the

Viscosity of the fluid
Total cost considerations (pumping cost plus fixed cost of the pipe)
Density of the fluid
None of these

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Chemical Engineering Plant Economics
Most chemical plants use an initial working capital amounting to 10-20% of the total capital investment. But this percentage may increase to __________ percent in case of seasonal products manufacturing plant.

75
30
95
50

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