Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 8 4 20 10 8 4 20 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For symmetrical network, the neutral current is zero maximum infinity any of the above zero maximum infinity any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? either 1 or 2 Both power and telecommunication lines None of these Power line either 1 or 2 Both power and telecommunication lines None of these Power line ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 1 pu 5 pu 0.2 pu 0.25 pu 1 pu 5 pu 0.2 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are three two one six three two one six ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? long transmission lines both 1 and 3 shoart transmission lines medium transmission lines long transmission lines both 1 and 3 shoart transmission lines medium transmission lines ANSWER DOWNLOAD EXAMIANS APP
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