DGVCL Exam Paper (11-12-2011) Under operating conditions, the secondary of a current transformer is always short ciruited because It protects the secondary ciruits It protects the primary ciruits It avoids core saturation and high voltage induction It is safe to human beings It protects the secondary ciruits It protects the primary ciruits It avoids core saturation and high voltage induction It is safe to human beings ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) If the fault current is 2000 A, the relay plug setting is 50% and the CT ratio is 400/5, the plug setting multiple will be 15 50 10 25 15 50 10 25 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The best location of the power factor correction equipment to be installed in the transmission line is at The receiving end Middle of the line The sending end Any place The receiving end Middle of the line The sending end Any place ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The main advantage of using fractional pitch winding is to refuce Cost of the machine Size of the machine Amount of copper in the winding Harmonics in the generated emf Cost of the machine Size of the machine Amount of copper in the winding Harmonics in the generated emf ANSWER EXPLANATION DOWNLOAD EXAMIANS APP due to fractional pitch EMF can be approximately made into sine wavelosses due to harmonics reducedsaving in conductor materialmechanical strength of coil is increased.
DGVCL Exam Paper (11-12-2011) Which of the following correctly represents the sequence of operations of isolator, circiut breaker and earthing switch while opening a circuit? Close circuit breaker-close isolator - open earthing switch Close earthing switch - open ciruit- breaker-open islotor Open isolator close circuit breaker-open earthing switch Open circuit breaker-open isolator-close earthing switch Close circuit breaker-close isolator - open earthing switch Close earthing switch - open ciruit- breaker-open islotor Open isolator close circuit breaker-open earthing switch Open circuit breaker-open isolator-close earthing switch ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The picture on the monitor of a computer is made up of tiny coloured dots called Pixels Points Icons Spots Pixels Points Icons Spots ANSWER DOWNLOAD EXAMIANS APP
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