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 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 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) In load flow analysis, the load at the bus is represented as none of these a constant current drawn from the bus a voltag dependent impedance at the bus a constant impedance connected at the bus none of these a constant current drawn from the bus a voltag dependent impedance at the bus a constant impedance connected at the bus ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In rotating electrical machines, the insulation temperature limit for class B type is 130˚C 150˚C 180˚C 105˚C 130˚C 150˚C 180˚C 105˚C ANSWER EXPLANATION DOWNLOAD EXAMIANS APP insulation Class and temperature limit(in ˚C) is given below:Y - 90A- 105E- 120B-130F-155H-180C- above 180
GETCO Exam Paper (22-07-2015) Current chopping phenomenon is related to resistance switching small inductive current asymmetrical current capacitance switching resistance switching small inductive current asymmetrical current capacitance switching ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In case of a balanced three phase sinusoidal AC supply, because of the phase difference neutral current is high if load is not balanced rotating magnetic field is produced all are correct neutral wire is not required, if load is balanced neutral current is high if load is not balanced rotating magnetic field is produced all are correct neutral wire is not required, if load is balanced ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Merz-Price protection is employed for protection of motor circuit breaker transmission lines alternators motor circuit breaker transmission lines alternators ANSWER DOWNLOAD EXAMIANS APP