Power Systems The characteristic impedance of a transmission line is Directly proportional to square root of its length. Directly proportional to its length. Independent of its length. Inversely proportional to square root of its length. Directly proportional to square root of its length. Directly proportional to its length. Independent of its length. Inversely proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of power system is/are Cost of electrical energy per KWh is to be minimum Flexible power has to be available. Reliable power has to be available All of these Cost of electrical energy per KWh is to be minimum Flexible power has to be available. Reliable power has to be available All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for protection of a transformer against all external faults nether 1 nor 2 both 1 and 2 protection of a transformer against all internal faults protection of a transformer against all external faults nether 1 nor 2 both 1 and 2 protection of a transformer against all internal faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Minimum oil CB. Air blast CB. Plain oil CB. Air break CB. Minimum oil CB. Air blast CB. Plain oil CB. Air break CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effective is more in case of None of these same in both cases communication lines power lines None of these same in both cases communication lines power lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? By increasing of temperature, both 1 and 2 neither 1 nor 2 tension decrease sag increase both 1 and 2 neither 1 nor 2 tension decrease sag increase ANSWER DOWNLOAD EXAMIANS APP