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? 90 120 60 180 90 120 60 180 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 Field current Armature current Vs reactive power Armature current Vs power factor Armature current Vs active power Armature current Vs Field current Armature current Vs reactive power Armature current Vs power factor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
GETCO Exam Paper (22-07-2015) The recent (as on 22/07/2015) Mahakumbh is held at Haridwar Alahabad Ujjain Nasik Haridwar Alahabad Ujjain Nasik ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Steady state stability of a power system is improved by using double circuit line instead of single circuit line by fast switching decreasing generator inertia reducing fault clearing time using double circuit line instead of single circuit line by fast switching decreasing generator inertia reducing fault clearing time ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Select the wrong statement from the following in relation to power flow analysis Approximation is used in FDLF method No of ittretion in N R method can not be more than 30 for any system jacobian is always required Y Bus is required for power flow analysis Approximation is used in FDLF method No of ittretion in N R method can not be more than 30 for any system jacobian is always required Y Bus is required for power flow analysis ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For selecting low voltage cable which of the following factors is not important? short circuit current rating current carrying capacity voltage grade permissible voltage drop short circuit current rating current carrying capacity voltage grade permissible voltage drop ANSWER DOWNLOAD EXAMIANS APP
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