Power Systems Water hamming process in pen-stocks results in noise increases. noise increases, pressure increases, velocity decreases. None of these pressure increases. noise increases. noise increases, pressure increases, velocity decreases. None of these pressure increases. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are one two three six one two three six ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation generation excitation control shunt capacitor All of these series capacitor generation excitation control shunt capacitor All of these series capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is All of these G-S method Decoupled method N-R method All of these G-S method Decoupled method N-R method ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most suitable circuit breaker for short line fault without switching resistor is oil circuit breaker. SF6 breaker. none of these. air blast circuit breaker. oil circuit breaker. SF6 breaker. none of these. air blast circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (4 + j8 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (1 + j2 ) pu (4 + j8 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (1 + j2 ) pu ANSWER DOWNLOAD EXAMIANS APP