GETCO Exam Paper (22-07-2015) In rotating electrical machines, the insulation temperature limit for class B type is 105˚C 150˚C 180˚C 130˚C 105˚C 150˚C 180˚C 130˚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) The rating of given on the name plate of a transformer indicates the: Apparent power which it can supply Apparent power which it draws from the supply mains True power whichh it draws from the supply mains True power which it can supply Apparent power which it can supply Apparent power which it draws from the supply mains True power whichh it draws from the supply mains 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) 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) During the insulation co-ordination in the sub station, the lowest insulation strength is at circuit breaker bus bar transformer CTs and PTs circuit breaker bus bar transformer CTs and PTs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is the wrong statement in terms of slack bus? it should be the largest generator bus in the system it has finite reactive power generation capability it should be located at the centre of the area voltage and angle is specified at this bus it should be the largest generator bus in the system it has finite reactive power generation capability it should be located at the centre of the area voltage and angle is specified at this bus ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In load flow analysis, the load at the bus is represented as none of these a voltag dependent impedance at the bus a constant impedance connected at the bus a constant current drawn from the bus none of these a voltag dependent impedance at the bus a constant impedance connected at the bus a constant current drawn from the bus ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS