Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 5th harmonic current. 7th harmonic current. 3rd harmonic current. 2nd harmonic current. 5th harmonic current. 7th harmonic current. 3rd harmonic current. 2nd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? All of these graphite beryllium heavy water All of these graphite beryllium heavy water ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor? 3d d 5d 2d 3d d 5d 2d ANSWER DOWNLOAD EXAMIANS APP
Power Systems Highest pressure generating pump inside the thermal plant is low pressure heater boiler feed pump All of these high pressure heater low pressure heater boiler feed pump All of these high pressure heater ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line? 3000 Ω 1500 Ω 1000 Ω 750 Ω 3000 Ω 1500 Ω 1000 Ω 750 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? Nominal T either 1 or 2 nether 1 nor 2 Nominal ∏ Nominal T either 1 or 2 nether 1 nor 2 Nominal ∏ ANSWER DOWNLOAD EXAMIANS APP
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