GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Reactance Relay Impedance Relay Over current Relay Mho Relay Reactance Relay Impedance Relay Over current Relay Mho Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is leading zero unity lagging leading zero unity lagging ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Voltage regulation = ((no load voltage)-(full load voltage)/(no load voltage))VR at leading PF = ((I*R*cosφ)-(I*X*sinφ))/VVR at lagging PF = ((I*R*cosφ)+(I*X*sinφ))/V
GETCO Exam Paper (22-07-2015) Normally the angle of the transmission line is kept _____ because of _____ reasons 90, transient stability 45, steady state stability 90, steady state stability 45, transient stability 90, transient stability 45, steady state stability 90, steady state stability 45, transient stability ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Two heaters rated at 500 W, 250 V each are conneted in series across a 250 V, 50 Hz mains. The total power drawn from the supply would be _____ watt. 500 1000 125 250 500 1000 125 250 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which city is capital of Meghalaya? (As on 22/07/2015) Shilong Itanagar Dispur Imphal Shilong Itanagar Dispur Imphal ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The power factor of the arc in circuit breaker is always unity always leading always zero always lagging always unity always leading always zero always lagging ANSWER DOWNLOAD EXAMIANS APP
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