GETCO Exam Paper (22-07-2015) In synchronous motor, V-curve is a graph of 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 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) Which of the following breaking method save energy? plugging dynamic breaking resistor breaking regenerative breaking plugging dynamic breaking resistor breaking regenerative breaking ANSWER EXPLANATION DOWNLOAD EXAMIANS APP three types of electric breaking:Regenerative breaking( leads to economic and energy consevation)pugging (more efficient method of breaking)rheostatic breaking
GETCO Exam Paper (22-07-2015) The surge impedance loading of the line will _____ if the length of the line is double become half four times remains same double become half four times remains same double ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Surge impedance is independent of length of the line
GETCO Exam Paper (22-07-2015) In a thermal power plant, heat from the flue gases is recovered in Electric precipitator Economizer chimney condenser Electric precipitator Economizer chimney condenser ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Root Locus is locus of the _____ open loop poles to open loop zeros close loop poles open loop zeros to close poles close loop poles to close loop zeros open loop poles to open loop zeros close loop poles open loop zeros to close poles close loop poles to close loop zeros ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is not true about fuel cells? cost is higher than batteries need more than two electrode more efficient no recharging is needed cost is higher than batteries need more than two electrode more efficient no recharging is needed ANSWER DOWNLOAD EXAMIANS APP
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