Power Systems In which of the following frequency control method tie line may be overloaded? flat frequency control parallel frequency All of these flat tie line control flat frequency control parallel frequency All of these flat tie line control ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 2nd harmonic current. 5th harmonic current. 7th harmonic current. 3rd harmonic current. 2nd harmonic current. 5th harmonic current. 7th harmonic current. 3rd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to the Rankine cycle. binary vapor cycle. regenerative cycle. product of boiler efficiency, turbine efficiency and generator efficiency. the Rankine cycle. binary vapor cycle. regenerative cycle. product of boiler efficiency, turbine efficiency and generator efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power capacity of a transmission line can be increased by nether 1 nor 2 increasing voltage level decreasing reactance value either 1 or 2 nether 1 nor 2 increasing voltage level decreasing reactance value either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is 15 MJ/MVA 6 MJ/MVA 10.5 MJ/MVA 2.5 MJ/MVA 15 MJ/MVA 6 MJ/MVA 10.5 MJ/MVA 2.5 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 35 kA. 1200 A. 104.8 kA. 3600 A. 35 kA. 1200 A. 104.8 kA. 3600 A. ANSWER DOWNLOAD EXAMIANS APP
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