DGVCL Exam Paper (12-06-2016) An _____ is a network of electrical components used to supply, transfer and use electric power: All of these Electric power Electric power system None of these All of these Electric power Electric power system None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The number of cycles in which a high speed circuit breaker can complete its operation is 40 to 50 10 to 18 20 to 30 3 to 8 40 to 50 10 to 18 20 to 30 3 to 8 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary By the flux Through air Through cooling coil None of these By the flux Through air Through cooling coil None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP function of transfomer is that transfer electrical energy from primary cicuit to secondary through magnetic cicuit by mutual induction
DGVCL Exam Paper (12-06-2016) Wave trap is used to trap waves of: All of these Higher frequencies entering generator or transformer units None of these Power frequencies All of these Higher frequencies entering generator or transformer units None of these Power frequencies ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The main advantage of AC over DC is: AC can be easily converted into DC by using a rectifier AC is easy to maintain & can be easily distributed at long distances All of these Conversion flexibility from one voltage level to other AC can be easily converted into DC by using a rectifier AC is easy to maintain & can be easily distributed at long distances All of these Conversion flexibility from one voltage level to other ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The transformer works on the principle of: All of these Mutual induction None of these Mutual capacitance All of these Mutual induction None of these Mutual capacitance 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.
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