Power Systems The characteristic impedance of a transmission line is Independent of its length. Directly proportional to its length. Inversely proportional to square root of its length. Directly proportional to square root of its length. Independent of its length. Directly proportional to its length. Inversely proportional to square root of its length. Directly proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? both 1 and 2 None of these electro magnetic induction electro static induction both 1 and 2 None of these electro magnetic induction electro static induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantage/s of per unit system as compare to absolute system? only one equation is required memory required is less All of these calculation time is less only one equation is required memory required is less All of these calculation time is less ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation shunt capacitor All of these series capacitor generation excitation control shunt capacitor All of these series capacitor generation excitation control ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against direct strokes of lightning. power frequency of over voltages. over voltages due to indirect lightning stroke. over currents due to lightning stroke. direct strokes of lightning. power frequency of over voltages. over voltages due to indirect lightning stroke. over currents due to lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? coal based thermal power plant gas based thermal power plant pumped storage hydro power plant nuclear plant coal based thermal power plant gas based thermal power plant pumped storage hydro power plant nuclear plant ANSWER DOWNLOAD EXAMIANS APP
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