Power Systems Mho relay is used for the protection of no length criterion. long transmission lines. medium length lines. short length lines. no length criterion. long transmission lines. medium length lines. short length lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission line is Directly proportional to its length. Directly proportional to square root of its length. Inversely proportional to square root of its length. Independent of its length. Directly proportional to its length. Directly proportional to square root of its length. Inversely proportional to square root of its length. Independent of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to normal frequency 50 Hz rms voltage. arcing period voltage. transient voltage. none of these. normal frequency 50 Hz rms voltage. arcing period voltage. transient voltage. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 15% 11.8% 88.2% 85% 15% 11.8% 88.2% 85% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operator "a" rotates a vector clock wise direction anti clock wise direction nether 1 nor 2 either 1 or 2 clock wise direction anti clock wise direction nether 1 nor 2 either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Load cycle tests. All of these. Impulse tests. Thermal stability test. Load cycle tests. All of these. Impulse tests. Thermal stability test. ANSWER DOWNLOAD EXAMIANS APP
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