GETCO Exam Paper (22-07-2015) Switching surges are high voltage Acs high votage DCs power frequency voltage short duration transient voltage high voltage Acs high votage DCs power frequency voltage short duration transient voltage ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Hopkinson's test is the test to be carried out on induction motor with synchronous motor induction motor with any DC motor two identical DC motors two identical induction motors induction motor with synchronous motor induction motor with any DC motor two identical DC motors two identical induction motors ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In hopkinson test known as regenerative testtwo identical machine coupledD.C shunt motorD.C shunt generatortemperature rise can be check under rated conditionlarge machine can be tested without drawing much power.
GETCO Exam Paper (22-07-2015) For a given transformer volte/turn for primary and secondary winding is depends on load different same depends on transformer design depends on load different same depends on transformer design ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Impedance Relay Reactance Relay Mho Relay Over current Relay Impedance Relay Reactance Relay Mho Relay Over current Relay 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. 250 1000 500 125 250 1000 500 125 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Shunt capacitors in a substation deliver active power consumes lagging VAR delivers lagging VAR consume active power deliver active power consumes lagging VAR delivers lagging VAR consume active power ANSWER DOWNLOAD EXAMIANS APP
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