GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 5 7 4.12 3 + 2(1.41) 5 7 4.12 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) Penalty factor in power system economical operation is measure of all are correct Line loss fuel cost generation cost all are correct Line loss fuel cost generation cost ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a thermal power plant, heat from the flue gases is recovered in chimney Economizer condenser Electric precipitator chimney Economizer condenser Electric precipitator ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The Z matrix of 2 port network is given by [0.9 0.2 : 0.2 0.6]. The element Y22 of the corresponding Y matrix of the same network is given by 1.8 1.2 -0.4 0.4 1.8 1.2 -0.4 0.4 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) An over-current relay of current rating 5 A and setting 150% is connected to a 200/5 A CT. Then the relay to pickup, the line current required is 200 300 100 150 200 300 100 150 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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