Economics of Power Generation The expected useful life of an hydroelectric power station is around 60 years 15 years 100 years 30 years 60 years 15 years 100 years 30 years ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation During load shedding System frequency is reduced System power factor is changed Some loads are switched off System voltage is reduced System frequency is reduced System power factor is changed Some loads are switched off System voltage is reduced ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation The power transformer is usually rated in kVAR kVA kW kWh kVAR kVA kW kWh ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation The only motor that can be worked at leading power factor is 3-phase induction motor 1- phase induction motor None of the listed here Synchronous motor 3-phase induction motor 1- phase induction motor None of the listed here Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation Generators for peak load plants are usually designed for maximum efficiency at 50 to 75 % percent full load Full load 25 percent overload 25 to 50 % percent full load 50 to 75 % percent full load Full load 25 percent overload 25 to 50 % percent full load ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation Load factor of a power station is defined as (average load x maximum demand)172 average load x maximum demand average load/maximum demand maximum demand/average load (average load x maximum demand)172 average load x maximum demand average load/maximum demand maximum demand/average load ANSWER DOWNLOAD EXAMIANS APP
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