Power Systems Which of the following statements is/are true? In case of parallel transmission lines fault current reduces fault current increases both 1 and 3 stability increases fault current reduces fault current increases both 1 and 3 stability increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rating of fuse wire is expressed in Ampere. Ω. Watts. Mho. Ampere. Ω. Watts. Mho. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission line is Directly proportional to its length. Directly proportional to square root of its length. Inversely proportional to square root of its length. Independent of its length. Directly proportional to its length. Directly proportional to square root of its length. Inversely proportional to square root of its length. Independent of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Capacitance voltage transformer ( CVT ) is used to improve the power factor of the transmission. reduce losses in a transmission line. none of these. connect instruments on the LT side. improve the power factor of the transmission. reduce losses in a transmission line. none of these. connect instruments on the LT side. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 20. 7. 5. 3. 20. 7. 5. 3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a three phase, 50 Hz, 11 kV distribution system. Each of the conductors is suspended by an insulator string having two identical porcelain insulators. The self capacitance of the insulators is 5 times the shunt capacitance between the link and ground. Find the voltage across the two insulators V1 and V2? (V1 = Voltage of disc nearest to the conductor) V1 = 3.46 kV and V2 = 2.89 kV V1 = 5 kV and V2 = 6 kV V1 = 6 kV and V2 = 5 kV V1 = 2.89 kV and V2 = 3.46 kV V1 = 3.46 kV and V2 = 2.89 kV V1 = 5 kV and V2 = 6 kV V1 = 6 kV and V2 = 5 kV V1 = 2.89 kV and V2 = 3.46 kV ANSWER DOWNLOAD EXAMIANS APP
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