Economics of Power Generation Is the reserved generating capacity available for service under emergency conditions which is not kept in operation but in working order, Firm power Spinning reserve Hot reserve Cold reserve Firm power Spinning reserve Hot reserve Cold reserve ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation With reference to a power station which of the following is not a fixed cost? Fuel cost Insurance charges Depreciation Interest on capital Fuel cost Insurance charges Depreciation Interest on capital ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation In a 3 phase system, the line losses are W at a p. f. Of 1 . If the power factor becomes 0.8 lagging, the losses will becomes 1.57 W 1.25 W 0.8 W 2 W 1.57 W 1.25 W 0.8 W 2 W ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation During load shedding Some loads are switched off System power factor is changed System voltage is reduced System frequency is reduced Some loads are switched off System power factor is changed System voltage is reduced System frequency is reduced ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation A load drwas active power(P), apparent power(S) and reactive power (Q) from the line. The power factor of the load is P/S P/Q Q/P S/P P/S P/Q Q/P S/P ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation Generating capacity connected to the busbars and ready to take load when switched on is known as Hot reserve Spinning reserve Cold reserve Firm power Hot reserve Spinning reserve Cold reserve Firm power ANSWER DOWNLOAD EXAMIANS APP
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