Economics of Power Generation
Which of the following is not necessarily an advantage of interconnecting various power stations?

Reduction in total installed capacity
Economy in operation of plants
Improved frequency of power supplied
Increased reliability

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Economics of Power Generation
Annual depreciation as per straight line method, is calculated by

the capital cost divided by number of year of life
the capital cost minus the salvage value, is divided by the number of years of life
None of these
increasing a uniform sum of money per annum at stipulated rate of interest

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