Power Systems What are the methods of laying underground cables? Draw - in - system / duct - pipe laying. Both A and B. None of these. Direct laying. Draw - in - system / duct - pipe laying. Both A and B. None of these. Direct laying. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the transmitted voltage? 100 kV 18.18 kV 36. 36 kV 30.6 Kv 100 kV 18.18 kV 36. 36 kV 30.6 Kv 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? 85% 15% 11.8% 88.2% 85% 15% 11.8% 88.2% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 0.5 pu 4 pu 0.2 pu 2 pu 0.5 pu 4 pu 0.2 pu 2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems MCB stands for maximum capacity breaker. miniature circuit breaker. molded circuit breaker. minimum capacity breaker. maximum capacity breaker. miniature circuit breaker. molded circuit breaker. minimum capacity breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? heavy water graphite beryllium All of these heavy water graphite beryllium All of these ANSWER DOWNLOAD EXAMIANS APP
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