DGVCL Exam Paper (12-06-2016) Efficiency of a power transformer is of the order of : 0.5 1 0.98 0.25 0.5 1 0.98 0.25 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The friction losses in Real Transformers are : 0.5 0 0.05 0.25 0.5 0 0.05 0.25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP As there is no rotating part in transformer, there is no friction and windage loss
DGVCL Exam Paper (12-06-2016) The kVA rating of Three-phase transformer with Voltage = 200 V and Current = 100 A will be : 20 kVA 75 kVA None of these 34.64 kVA 20 kVA 75 kVA None of these 34.64 kVA ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For three phase,VA = √3 V IFor single phase, kVA = V I
DGVCL Exam Paper (12-06-2016) In fuel cell the _____ energy is converted into electrical energy. Chemical Sound Mechanical Heat Chemical Sound Mechanical Heat ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Taskbar is used for Navigation program Start a program All of above Switching between program Navigation program Start a program All of above Switching between program ANSWER DOWNLOAD EXAMIANS APP
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
EXAMIANS