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.

N0.6
N0.4
√n
N

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Chemical Engineering Plant Economics
Pick out the correct statement.

Difference between income and expense is termed as gross revenue
Scrap value is the net amount of money obtainable from the sale of used property over and above any charges involved in its removal & sale
Unamortised cost is the difference between the original cost of a property and all the depreciation charges made to dat
Sum-of-the-years-digits methods of depreciation calculation accounts for the interest on the investment

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

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Chemical Engineering Plant Economics
In a manufacturing industry, break even point occurs, when the

Total annual rate of production equals the assigned value
Total annual product cost equals the total annual sales
Annual sales equals the fixed cost
Annual profit equals the expected value

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