DGVCL Exam Paper (12-06-2016) The acting contacts for a circuit breakers are made of : Copper Tungsten alloy Hard-pressed carbon Porcelain Stainless Steel Copper Tungsten alloy Hard-pressed carbon Porcelain Stainless Steel 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 None of these By the flux Through cooling coil Through air None of these By the flux 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) For 11 kV line the inductance per km per phase will be of the order of: 1 mH 0.1 mH 1 H 0.1 H 1 mH 0.1 mH 1 H 0.1 H 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 : 34.64 kVA 75 kVA 20 kVA None of these 34.64 kVA 75 kVA 20 kVA None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For three phase,VA = √3 V IFor single phase, kVA = V I
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 10 times longer Same time None of these 100 times longer 10 times longer Same time 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 Menu bar Control panel Task bar Desk top Menu bar Control panel ANSWER DOWNLOAD EXAMIANS APP