GETCO Exam Paper (22-07-2015) The power factor of the arc in circuit breaker is always leading always lagging always unity always zero always leading always lagging always unity always zero 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
GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 4.12 7 5 3 + 2(1.41) 4.12 7 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) The value of holding ratio of relay is always greater than 1 zero less than 1 Infinite greater than 1 zero less than 1 Infinite ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The national song of India was composed by Iqbal Bankim Chandra Chatterji Rabindranath Tagore Jai Shankar Prasad Iqbal Bankim Chandra Chatterji Rabindranath Tagore Jai Shankar Prasad ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Steady state stability of a power system is improved by decreasing generator inertia using double circuit line instead of single circuit line by fast switching reducing fault clearing time decreasing generator inertia using double circuit line instead of single circuit line by fast switching reducing fault clearing time ANSWER DOWNLOAD EXAMIANS APP
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