DGVCL Exam Paper (12-06-2016) What will happen if the primary of a transformer is connected to DC supply? No effect Transformer will operate with low efficiency Transformer may start to smoke and burn Transformer will operate with high efficiency No effect Transformer will operate with low efficiency Transformer may start to smoke and burn Transformer will operate with high 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) About how many times longer would a 10 watt light bulb be able to burn compared to a 100 watt bulb with the same energy? None of these 100 times longer Same time 10 times longer None of these 100 times longer Same time 10 times longer ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) One kilowatt-hour is? 3.6 mega joules 2.6 mega joules None of these 1.6 mega joules 3.6 mega joules 2.6 mega joules None of these 1.6 mega joules ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following is a Distribution Company: CSERC DERC GERC MGVCL CSERC DERC GERC MGVCL ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following is the product of data processing: Data Information Software programme System Data Information Software programme System ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Wave trap is used to trap waves of: Power frequencies None of these Higher frequencies entering generator or transformer units All of these Power frequencies None of these Higher frequencies entering generator or transformer units All of these ANSWER DOWNLOAD EXAMIANS APP