GETCO Exam Paper (22-07-2015) The rating of given on the name plate of a transformer indicates the: Apparent power which it draws from the supply mains True power which it can supply Apparent power which it can supply True power whichh it draws from the supply mains Apparent power which it draws from the supply mains True power which it can supply Apparent power which it can supply True power whichh it draws from the supply mains 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) Speed of induction motor at rated torque is _____ than at maximum torque. depends on load same greater lesser depends on load same greater lesser ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Over current Relay Mho Relay Impedance Relay Reactance Relay Over current Relay Mho Relay Impedance Relay Reactance Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Current chopping phenomenon is related to asymmetrical current resistance switching small inductive current capacitance switching asymmetrical current resistance switching small inductive current capacitance switching ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) HVDC transmission is preferred to EHV AC because Its terminal equipment are inexpensive VAR compensation is not required in it System stability can be improved Harmonic problem is avoided Its terminal equipment are inexpensive VAR compensation is not required in it System stability can be improved Harmonic problem is avoided ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a DC motor, back EMF value becomes maximum at _____ 1/2 load 3/4 load no load full load 1/2 load 3/4 load no load full load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “1/2 load ”.