Power Systems Which type of connection is employed for current transformers for the protection of star- delta connected 3-phase transformer? star-delta star-star delta-star delta-delta star-delta star-star delta-star delta-delta ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? electro magnetic induction both 1 and 2 None of these electro static induction electro magnetic induction both 1 and 2 None of these electro static induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor? 2d 5d d 3d 2d 5d d 3d 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 25 Ω 500 Ω 250 Ω 1000 Ω 25 Ω 500 Ω 250 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass is none of these. a mass of fissionable material required to stop a chain reaction. minimum mass of fissionable material required to sustain chain reaction. maximum mass of fissionable material required to sustain a chain reaction. none of these. a mass of fissionable material required to stop a chain reaction. minimum mass of fissionable material required to sustain chain reaction. maximum mass of fissionable material required to sustain a chain reaction. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? long transmission lines only medium transmission lines only None of these short transmission lines only long transmission lines only medium transmission lines only None of these short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
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