GETCO Exam Paper (22-07-2015) Which of the following is the wrong statement in terms of slack bus? voltage and angle is specified at this bus it has finite reactive power generation capability it should be located at the centre of the area it should be the largest generator bus in the system voltage and angle is specified at this bus it has finite reactive power generation capability it should be located at the centre of the area it should be the largest generator bus in the system ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Light from the nearest star (other than the sun) reaches the earth in 4.2 minutes 4.2 years 42 secs 4.2 hours 4.2 minutes 4.2 years 42 secs 4.2 hours ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 7\8 2\3 6\7 5\6 7\8 2\3 6\7 5\6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP fractional pitch = Cos( α/2)α is obtain from: (nα/2)=90˚ where n is harmonicα=25.7143˚fractional pitch=6/7
GETCO Exam Paper (22-07-2015) The value of holding ratio of relay is always Infinite greater than 1 less than 1 zero Infinite greater than 1 less than 1 zero ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The area under the load duration curve represents base load of the system energy generated in the period considered Maximum demand of the power station average load of the system base load of the system energy generated in the period considered Maximum demand of the power station average load of the system ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Switching surges are power frequency voltage high votage DCs high voltage Acs short duration transient voltage power frequency voltage high votage DCs high voltage Acs short duration transient voltage ANSWER DOWNLOAD EXAMIANS APP
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