Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Over fluxing relay Differential relay Over current relay Buchholz relay Over fluxing relay Differential relay Over current relay Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 500 MJ 5 MJ 10 MJ 50 MJ 500 MJ 5 MJ 10 MJ 50 MJ 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 500 Ω 25 Ω 250 Ω 1000 Ω 500 Ω 25 Ω 250 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The shape of the disc of an induction disc relay is circular. none of these. elliptical. spiral. circular. none of these. elliptical. spiral. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with neither 1 nor 2 increase in mutual geometrical mean distance both 1 and 2 increase in height of conductors above ground neither 1 nor 2 increase in mutual geometrical mean distance both 1 and 2 increase in height of conductors above ground ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the diameter of the conductor is increased the inductance is increased the inductance is decreased no change in inductance and resistance the resistance is increased the inductance is increased the inductance is decreased no change in inductance and resistance the resistance is increased ANSWER DOWNLOAD EXAMIANS APP
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