DGVCL Exam Paper (12-06-2016) SF₆ gas: Is yellow in colour Is nontoxic Has pungent smell Is lighter than air Is yellow in colour Is nontoxic Has pungent smell Is lighter than air ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) If the displayed system time and date is wrong, you can reset it using : Task bar Desk top Control panel Menu bar Task bar Desk top Control panel Menu bar ANSWER DOWNLOAD EXAMIANS APP
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 No effect Transformer may start to smoke and burn Transformer will operate with low efficiency Transformer will operate with high efficiency No effect Transformer may start to smoke and burn Transformer will operate with low efficiency 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) Which of the following is the product of data processing: Information Software programme Data System Information Software programme Data System ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Earthing switch is used for? Protection of equipment from ground faults Measuring of safety voltage Discharging residual energies All of these Protection of equipment from ground faults Measuring of safety voltage Discharging residual energies All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The friction losses in Real Transformers are : 0.5 0.05 0.25 0 0.5 0.05 0.25 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP As there is no rotating part in transformer, there is no friction and windage loss