DGVCL Exam Paper (12-06-2016) For cost & safety, the outdoor substations are installed for voltages above: 110 kV 33 kV 11 kV 60 kV 110 kV 33 kV 11 kV 60 kV ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Cylindrical type transformer has: None of these All of these Double magnetic circuit Single magnetic circuit None of these All of these Double magnetic circuit Single magnetic circuit ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Efficiency of a power transformer is of the order of : 0.98 1 0.25 0.5 0.98 1 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The transformer works on the principle of: Mutual capacitance None of these All of these Mutual induction Mutual capacitance None of these All of these Mutual induction ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Transformer is static device.two or more stationary electrical circuit mutually linked by magnetic circuit.assumptions of ideal transformer:1. there are no losses.2. whole magnetic flux constant no leakage.3. permeability of core is infinite.
DGVCL Exam Paper (12-06-2016) The following is/are the characteristics of SF₆ circuit breakers: It does not need an auxiliary breaking chamber All of these Short break time of 2 to 2.5 cycles None of these It does not need an auxiliary breaking chamber All of these Short break time of 2 to 2.5 cycles None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following is correct : P = I²xR P = VxI All of these P = V²/R P = I²xR P = VxI All of these P = V²/R ANSWER EXPLANATION DOWNLOAD EXAMIANS APP True for DC Circuits.For single pahse ac P = V I CosØ
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