Power Systems For n bus power system size of Y bus matrix is (n-1)×(n-2) (n-1)×(n-1) n×n (n-2)×(n-2) (n-1)×(n-2) (n-1)×(n-1) n×n (n-2)×(n-2) ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of re-striking voltage is dependent upon inductance of the system only capacitance of the system only both 1 and 2 resistance of the system only inductance of the system only capacitance of the system only both 1 and 2 resistance of the system only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effect depends on conductivity All of these relative permeability frequency conductivity All of these relative permeability frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station? Kaplan None of these Pelton Francis Kaplan None of these Pelton Francis ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 250 Ω 25 Ω 1000 Ω 500 Ω 250 Ω 25 Ω 1000 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 10 MJ 5 MJ 50 MJ 500 MJ 10 MJ 5 MJ 50 MJ 500 MJ ANSWER DOWNLOAD EXAMIANS APP
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