DGVCL Exam Paper (12-06-2016) Which of the following is the product of data processing: Software programme Information System Data Software programme Information System Data ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Transformer has _____ Auxiliary winding and secondary winding None of these Primary winding and Auxiliary winding Primary winding and secondary winding Auxiliary winding and secondary winding None of these Primary winding and Auxiliary winding Primary winding and secondary winding ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The SI unit of energy is : Henry Newton Coulomb Joule Henry Newton Coulomb Joule ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The kVA rating of Three-phase transformer with Voltage = 200 V and Current = 100 A will be : None of these 20 kVA 34.64 kVA 75 kVA None of these 20 kVA 34.64 kVA 75 kVA ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For three phase,VA = √3 V IFor single phase, kVA = V I
DGVCL Exam Paper (12-06-2016) What will happen if the primary of a transformer is connected to DC supply? Transformer will operate with high efficiency Transformer will operate with low efficiency Transformer may start to smoke and burn No effect Transformer will operate with high efficiency Transformer will operate with low efficiency Transformer may start to smoke and burn No effect ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer works on principle of faraday's law of electromagnetic induction. So if D.C supply use, no indction are produced and due to this E.M.F not induced in winding and transfer of electrical energy is not possible.
DGVCL Exam Paper (12-06-2016) The arc temperature in Oil Circuit Breaker may reach up to _____ 10,000° K 8,000° K None of these 5,000° K 10,000° K 8,000° K None of these 5,000° K ANSWER DOWNLOAD EXAMIANS APP