GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 4.12 3 + 2(1.41) 7 5 4.12 3 + 2(1.41) 7 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) During the insulation co-ordination in the sub station, the lowest insulation strength is at transformer circuit breaker CTs and PTs bus bar transformer circuit breaker CTs and PTs bus bar ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Kathakali' is a folk dance prevalent in which state? Andhra Pradesh Orissa Karnataka Kerala Andhra Pradesh Orissa Karnataka Kerala ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The constraints that are to be met with while solving UC problem are Spinning reserve all are correct Minimum down time Minimum up time Spinning reserve all are correct Minimum down time Minimum up time ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Shunt compensation in EHV line is resorted to Improve the stability Improve voltage profile Increase line impedance Reduce the fault level Improve the stability Improve voltage profile Increase line impedance Reduce the fault level ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In synchronous motor, V-curve is a graph of Armature current Vs power factor Armature current Vs reactive power Armature current Vs Field current Armature current Vs active power Armature current Vs power factor Armature current Vs reactive power Armature current Vs Field current Armature current Vs active power ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
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