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 active power Armature current Vs Field current Armature current Vs power factor Armature current Vs reactive power Armature current Vs active power 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 instantaneous value of power in purely inductive circuit is constant none of this zero changing constant none of this zero changing ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The instantaneous value of power in purely inductive circuit is changing as it is given as v*i. The average power of purely inductive circuit over a cycle is zero
GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because it can be used for star or delta connected load it can be used for balanced or unbalanced load all are correct PF of the load can also be estimated it can be used for star or delta connected load it can be used for balanced or unbalanced load all are correct PF of the load can also be estimated ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Speed of induction motor at rated torque is _____ than at maximum torque. greater depends on load lesser same greater depends on load lesser same ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Jyotigram Yojana is pertaining to Supplying 100% reliable power for street light of villages Supplying resedential and other power separately Supplying 100% reliable power to villages Developing agricultural land Supplying 100% reliable power for street light of villages Supplying resedential and other power separately Supplying 100% reliable power to villages Developing agricultural land ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle always less same lesser than or equal to greater than or equal to always less same lesser than or equal to greater than or equal to ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
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