Power Systems Buchholz relay is used for protection of bus bar. none of these. alternator. transformer. bus bar. none of these. alternator. transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is one - third of maximum. two - thirds of maximum. one - third of minimum. zero. one - third of maximum. two - thirds of maximum. one - third of minimum. zero. 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 1000 Ω 500 Ω 25 Ω 250 Ω 1000 Ω 500 Ω 25 Ω 250 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The amount of ash content in Indian coal 45 %. 20 %. 35 %. 60 %. 45 %. 20 %. 35 %. 60 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 31.7 23.9 35.45 38.6 31.7 23.9 35.45 38.6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conversion ratio of breeder reactor are none of above. 1. greater than 1. less than 1. none of above. 1. greater than 1. less than 1. ANSWER DOWNLOAD EXAMIANS APP
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