DGVCL Exam Paper (12-06-2016) Which of the following circuit breakers has high reliability & minimum maintenance? Vacuum CB Sulphur hexafluoride CB Air blast CB Bulk oil type CB Vacuum CB Sulphur hexafluoride CB Air blast CB Bulk oil type CB ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The Electricity Act is applicable in _____ All the states of India All parts of India except state of Jammu and Kashmir All parts of India In Gujarat only All the states of India All parts of India except state of Jammu and Kashmir All parts of India In Gujarat only ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A circuit breaker is designed to protect an electrical circuit from damage caused by : All of these Over load Short circuit Over current All of these Over load Short circuit Over current ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The consumer of electricity could be: Domestic All of these Industrial and Commercial Agricultural Domestic All of these Industrial and Commercial Agricultural ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary Through air None of these By the flux Through cooling coil Through air None of these By the flux Through cooling coil 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) Transformer core is laminated to _____ Reduce eddy current losses Reduce copper losses Reduce all above losses Reduce hysteresis loss Reduce eddy current losses Reduce copper losses Reduce all above losses Reduce hysteresis loss ANSWER EXPLANATION DOWNLOAD EXAMIANS APP To reduce eddy current loss laminations is done.To reduce hysteresis loss good magnetic material (whose specific hysterisis loss is low) is used.
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