Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 210 Ω 840 Ω 400 Ω 420 Ω 210 Ω 840 Ω 400 Ω 420 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a two plant system, the load is connected to plant number 2. The loss coefficients are B11,B22 are non zero,B12 = 0 B11 is non zero,B22 = B12 = 0 B11,B12 are non zero ,B22 = 0 B11,B22,B12 are non zeros B11,B22 are non zero,B12 = 0 B11 is non zero,B22 = B12 = 0 B11,B12 are non zero ,B22 = 0 B11,B22,B12 are non zeros ANSWER DOWNLOAD EXAMIANS APP
Power Systems If skin depth is more, then skin effect is more either 1 or 2 less None of these more either 1 or 2 less None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of following is employed as a moderator by CANDU type of slow thermal nuclear reactors Graphite. Heavy water. Beryllium. Water. Graphite. Heavy water. Beryllium. Water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Independent of its length. Directly proportional to square root of its length. Inversely proportional to its length. Directly proportional to its length. Independent of its length. Directly proportional to square root of its length. Inversely proportional to its length. Directly proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 5 pu 2.67 pu 2 pu 6 pu 5 pu 2.67 pu 2 pu 6 pu ANSWER DOWNLOAD EXAMIANS APP
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