Power Systems A thermal protection switch is used to provide protection against overload. over voltage. short circuit. temperature. overload. over voltage. short circuit. temperature. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for reduce losses less surge impedance proper discharging of lighting surges more surge impedance reduce losses less surge impedance proper discharging of lighting surges more surge impedance ANSWER DOWNLOAD EXAMIANS APP
Power Systems In order to have lower cost of power generaion the load factor should be low but diversity factor should be high the load factor should be high but diversity factor should be low the load factor and diversity factor should be low The load factor and diversity factor should be high the load factor should be low but diversity factor should be high the load factor should be high but diversity factor should be low the load factor and diversity factor should be low The load factor and diversity factor should be high ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 52.84 kV 20 kV 83.76 kV 48.36 kV 52.84 kV 20 kV 83.76 kV 48.36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied always if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied always if the mutual couplings between transmission lines are absent ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 4 pu 2 pu 0.2 pu 0.5 pu 4 pu 2 pu 0.2 pu 0.5 pu ANSWER DOWNLOAD EXAMIANS APP
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