GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Over current Relay Reactance Relay Mho Relay Impedance Relay Over current Relay Reactance Relay Mho Relay Impedance Relay ANSWER DOWNLOAD EXAMIANS APP
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 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 it can be used for star or delta connected load ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In sub stations for making and breaking of load current relays are used load interrupter switches are used circuit breakers are used isolators are used relays are used load interrupter switches are used circuit breakers are used isolators are used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) I am looking _____ my pen. Have you seen it? for at to after for at to after ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The rating of given on the name plate of a transformer indicates the: True power whichh it draws from the supply mains Apparent power which it draws from the supply mains Apparent power which it can supply True power which it can supply True power whichh it draws from the supply mains Apparent power which it draws from the supply mains Apparent power which it can supply True power which it can supply ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The rating of given on the name plate of a transformer indicates the:Apparent power which it can supply S=V( supplied voltage)*I (load current)active power = v* i*cosφreactive power = v* i*sinφ
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 Field current Armature current Vs power factor Armature current Vs active power Armature current Vs reactive power Armature current Vs Field current Armature current Vs power factor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
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