Power Systems Which of the following relays are used in protection of medium transmission lines? Impedance relays Mho relays any of the above Admittance relays Impedance relays Mho relays any of the above Admittance relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from short circuits protection of equipment from open circuits protection of equipment from external lightning All of these protection of equipment from short circuits protection of equipment from open circuits protection of equipment from external lightning All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 45° 90° 36° 42° 45° 90° 36° 42° ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Directly proportional to its length. Directly proportional to square root of its length. Inversely proportional to its length. Independent of its length. Directly proportional to its length. Directly proportional to square root of its length. Inversely proportional to its length. Independent of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the value of line inductance increase decrease remains unaffected None of these increase decrease remains unaffected None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? both 1 and 2 Bus admittance matrix is a sparse matrix nether 1 nor 2 Bus impedance matrix is a full matrix both 1 and 2 Bus admittance matrix is a sparse matrix nether 1 nor 2 Bus impedance matrix is a full matrix ANSWER DOWNLOAD EXAMIANS APP
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