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
N0.4
N0.6
√n

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Chemical Engineering Plant Economics
In declining balance method of depreciation calculation, the

Value of the asset decreases linearly with time
Annual cost of depreciation is same every year
None of these
Annual depreciation is the fixed percentage of the property value at the beginning of the particular year

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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

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

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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

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

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