DGVCL Exam Paper (12-06-2016) You should choose Sleep option when You are leaving for a very short time and want to resume your work shortly. The computer is tired after working for the whole day. When computer gets hanged frequently. Let it sleep for some time. You finish working and are going to bed. You are leaving for a very short time and want to resume your work shortly. The computer is tired after working for the whole day. When computer gets hanged frequently. Let it sleep for some time. You finish working and are going to bed. ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Transformer core is laminated to _____ Reduce copper losses Reduce all above losses Reduce hysteresis loss Reduce eddy current losses Reduce copper losses Reduce all above losses Reduce hysteresis loss Reduce eddy current losses 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.
DGVCL Exam Paper (12-06-2016) The registered office of MGVCL is in _____ Ahmedabad Godhra Valsad Vadodara Ahmedabad Godhra Valsad Vadodara ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Company : Registered OffficePGVCL : RajkotMGVCL : VadodaraDGVCL : SuratUGVCL : MehsanaGETCO : VadodaraGUVNL : Vadodara
DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary Through cooling coil Through air By the flux None of these Through cooling coil Through air By the flux 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) The following formula is correct: Diversity factor = 1 - Coincidence Factor All of these Diversity factor = 1 x Coincidence Factor Diversity factor = 1/Coincidence Factor Diversity factor = 1 - Coincidence Factor All of these Diversity factor = 1 x Coincidence Factor Diversity factor = 1/Coincidence Factor 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 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 Transformer will operate with high efficiency 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.
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