GETCO Exam Paper (22-07-2015) In differential protection scheme, a stabilizing resistance connected to block harmonics reduce the effect of non identical CTs increase the relay sensitivity increase the current limit block harmonics reduce the effect of non identical CTs increase the relay sensitivity increase the current limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Normally the angle of the transmission line is kept _____ because of _____ reasons 45, transient stability 90, steady state stability 90, transient stability 45, steady state stability 45, transient stability 90, steady state stability 90, transient stability 45, steady state stability ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Earth wire on EHV overhead transmission line is provided to protect the line against corona effect lightning surge excessive fault voltages switching surge corona effect lightning surge excessive fault voltages switching surge ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) "Overshoot" in a time response of control systems is indication of measure of relative stability steady state solution none of this final value of the output measure of relative stability steady state solution none of this final value of the output ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In synchronous motor, V-curve is a graph of Armature current Vs active power Armature current Vs reactive power Armature current Vs power factor Armature current Vs Field current Armature current Vs active power Armature current Vs reactive power Armature current Vs power factor Armature current Vs Field current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 5 3 + 2(1.41) 4.12 7 5 3 + 2(1.41) 4.12 7 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 + …)
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