GETCO Exam Paper (22-07-2015) Differential equation is required to be solved in _____ Finding efficiency of a transmission line Load flow studies Stability studies economical operation of power systems Finding efficiency of a transmission line Load flow studies Stability studies economical operation of power systems ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is the wrong statement in terms of slack bus? it should be the largest generator bus in the system it has finite reactive power generation capability voltage and angle is specified at this bus it should be located at the centre of the area it should be the largest generator bus in the system it has finite reactive power generation capability voltage and angle is specified at this bus it should be located at the centre of the area ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 7\8 6\7 2\3 5\6 7\8 6\7 2\3 5\6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP fractional pitch = Cos( α/2)α is obtain from: (nα/2)=90˚ where n is harmonicα=25.7143˚fractional pitch=6/7
GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 7 4.12 3 + 2(1.41) 5 7 4.12 3 + 2(1.41) 5 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) I _____ tennis every Sunday morning playing am play play am playing playing am play play am playing ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The magnitude of sum of two sinusoidal AC voltages is equal to the magnitude of each individual voltage, What must be the phase difference between voltages? 120 180 90 60 120 180 90 60 ANSWER DOWNLOAD EXAMIANS APP
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