DGVCL Exam Paper (12-06-2016) _____ electric power is the most common method used by electrical grids to transfer power Two-phase Three-phase None of these One-phase Two-phase Three-phase None of these One-phase ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) What would happen if a power transformer designed for operation on 50 Hz (frequency) were connected to a 500 Hz (frequency) source of the same voltage: No effect Eddy Current and Hysteresis losses will be excessive Transformer may start to smoke and burn Current will be too much high No effect Eddy Current and Hysteresis losses will be excessive Transformer may start to smoke and burn Current will be too much high ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Core loss of transformer = Hysteresis loss + eddy current lossHysteresis loss prpotional to feddy current loss prpotional to f².
DGVCL Exam Paper (12-06-2016) The overall efficiency of Thermal Power Plant is equal to _____ Regenerative Cycle Efficiency Renkine Cycle Efficiency None of these Carnot cycle efficiency Regenerative Cycle Efficiency Renkine Cycle Efficiency None of these Carnot cycle efficiency ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Product of boiler efficiency, turbine efficiency and generator efficiency.
DGVCL Exam Paper (12-06-2016) As per Electricity Act, _____ means a person who has been granted a license to undertake trading in electricity under section 12. Electricity supplier Electricity trader All of these None of these Electricity supplier Electricity trader All of these None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Earthing switch is used for? Discharging residual energies Protection of equipment from ground faults All of these Measuring of safety voltage Discharging residual energies Protection of equipment from ground faults All of these Measuring of safety voltage ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The rating of fuse wire is always expressed in _____ Ampere-volts kWh Ampere-hours Amperes Ampere-volts kWh Ampere-hours Amperes ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equipment :Rating Fuse : AmpereTransformer : kVAAlternator : kVAMotor : kW/HPBattery : ampere-hour
EXAMIANS