Power Systems In which of the following given faults, all the sequence currents are equal? LG LL LLL LLG LG LL LLL LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 m℧? 320 Ω 400 Ω 160 Ω 200 Ω 320 Ω 400 Ω 160 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems For some given transmission line the expression for voltage regulation is given by (Vs - Vr)/Vr *100%. Hence, this expression is true for any line None of these this may either be a medium line or short line this must be a short line this expression is true for any line None of these this may either be a medium line or short line this must be a short line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton turbine is a ----------- turbine inward radial flow impulsive any of the above axial flow inward radial flow impulsive any of the above axial flow ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the stator faults? All of these over current Inter phase faults failure of excitation All of these over current Inter phase faults failure of excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 3.975 pu 1.375 pu 0.2 pu 2.4 pu 3.975 pu 1.375 pu 0.2 pu 2.4 pu ANSWER DOWNLOAD EXAMIANS APP
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