Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / delta. ground star / delta. star / grounded star. delta / star. delta / delta. ground star / delta. star / grounded star. delta / star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by increasing its voltage level addition of lumped inductance in parallel both 1 and 3 addition of lumped capacitance in series increasing its voltage level addition of lumped inductance in parallel both 1 and 3 addition of lumped capacitance in series ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers cooling All of these collect ash particals improving thermal efficiency cooling All of these collect ash particals improving thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is two - thirds of maximum. one - third of minimum. one - third of maximum. zero. two - thirds of maximum. one - third of minimum. one - third of maximum. zero. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the stator faults? Inter phase faults failure of excitation All of these over current Inter phase faults failure of excitation All of these over current ANSWER DOWNLOAD EXAMIANS APP
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