Power Systems Differential relays does not used for which of the following faults? through faults both 1 and 2 faults within a transformer faults within a generator through faults both 1 and 2 faults within a transformer faults within a generator ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of medium transmission lines only All of these short transmission lines only long transmission lines only medium transmission lines only All of these short transmission lines only long transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of strands of ACSR conductor for 3 layer transmission line? 1 19 29 7 1 19 29 7 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of low steam turbine mechanical efficiency high energy loss in condenser low alternator efficiency high energy loss in boilers low steam turbine mechanical efficiency high energy loss in condenser low alternator efficiency high energy loss in boilers 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 25 Ω 250 Ω 1000 Ω 500 Ω 25 Ω 250 Ω 1000 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of star- delta connected 3-phase transformer? star-delta delta-delta star-star delta-star star-delta delta-delta star-star delta-star ANSWER DOWNLOAD EXAMIANS APP
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