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? 10 times longer Same time 100 times longer None of these 10 times longer Same time 100 times longer None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary? 480 Volts 120 Volts 30 Volts 60 Volts 480 Volts 120 Volts 30 Volts 60 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary None of these Through cooling coil Through air By the flux None of these Through cooling coil Through air 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 cost & safety, the outdoor substations are installed for voltages above: 60 kV 110 kV 33 kV 11 kV 60 kV 110 kV 33 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The rating of fuse wire is always expressed in _____ Ampere-volts Amperes kWh Ampere-hours Ampere-volts Amperes kWh Ampere-hours ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equipment :Rating Fuse : AmpereTransformer : kVAAlternator : kVAMotor : kW/HPBattery : ampere-hour
DGVCL Exam Paper (12-06-2016) The following is/are the characteristics of SF₆ circuit breakers: None of these All of these Short break time of 2 to 2.5 cycles It does not need an auxiliary breaking chamber None of these All of these Short break time of 2 to 2.5 cycles It does not need an auxiliary breaking chamber ANSWER DOWNLOAD EXAMIANS APP
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