Power Systems When series reactor is used in generating stations, the fault current magnitude is increased remains unaffected any of the above reduced increased remains unaffected any of the above reduced ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will increase the thermal efficiency reduce the heat both 2 and 3 reduce the thermal efficiency increase the thermal efficiency reduce the heat both 2 and 3 reduce the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operator "a" rotates a vector clock wise direction anti clock wise direction either 1 or 2 nether 1 nor 2 clock wise direction anti clock wise direction either 1 or 2 nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 0 Ω 800 Ω 200 Ω 400 Ω 0 Ω 800 Ω 200 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system? 1 0.25 0.75 0.5 1 0.25 0.75 0.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 3rd harmonic current. 5th harmonic current. 2nd harmonic current. 7th harmonic current. 3rd harmonic current. 5th harmonic current. 2nd harmonic current. 7th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
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