GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Reactive power limit Transient stability limit Steady state limit Short circuit limit Reactive power limit Transient stability limit Steady state limit Short circuit limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The fault occurring in transmission actually are mostly L-G L-L-G L-L L-L-L L-G L-L-G L-L L-L-L ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is not true about fuel cells? no recharging is needed cost is higher than batteries more efficient need more than two electrode no recharging is needed cost is higher than batteries more efficient need more than two electrode ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For formation of the Y bus matrix (using node voltage analysis) in power system network modelling _____ is used all are correct Faraday's law KCL KVL all are correct Faraday's law KCL KVL ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 7 4.12 5 3 + 2(1.41) 7 4.12 5 3 + 2(1.41) ANSWER EXPLANATION DOWNLOAD EXAMIANS APP if voltage is given by,v(t) = V₀ + V₁ cos(3t) + V₂ cos(5t)+ …RMS value is given by,√( V₀² + (V₁/√2)² + (V₂/√2)² + …)
GETCO Exam Paper (22-07-2015) In rotating electrical machines, the insulation temperature limit for class B type is 180˚C 150˚C 105˚C 130˚C 180˚C 150˚C 105˚C 130˚C ANSWER EXPLANATION DOWNLOAD EXAMIANS APP insulation Class and temperature limit(in ˚C) is given below:Y - 90A- 105E- 120B-130F-155H-180C- above 180