Power Systems In which of the following given faults, all the sequence currents are equal? LL LLL LG LLG LL LLL LG LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the disadvantages of phase modifiers? It requires more maintenance because of running equipment Initial cost of synchronous phase modifier is higher All of these It consumes both active and reactive power It requires more maintenance because of running equipment Initial cost of synchronous phase modifier is higher All of these It consumes both active and reactive power ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with increase in height of conductors above ground neither 1 nor 2 both 1 and 2 increase in mutual geometrical mean distance increase in height of conductors above ground neither 1 nor 2 both 1 and 2 increase in mutual geometrical mean distance ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 200 kV. 100 kV. 50 kV. 400 kV. 200 kV. 100 kV. 50 kV. 400 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Directly proportional to its length. Independent of its length. Directly proportional to square root of its length. Inversely proportional to its length. Directly proportional to its length. Independent of its length. Directly proportional to square root of its length. Inversely proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Storage requirement can be determined from mass Curve. flow duration curve. hydro-graph. both B and C. mass Curve. flow duration curve. hydro-graph. both B and C. ANSWER DOWNLOAD EXAMIANS APP