DGVCL Exam Paper (12-06-2016) The consumer of electricity could be: All of these Agricultural Industrial and Commercial Domestic All of these Agricultural Industrial and Commercial Domestic ANSWER DOWNLOAD EXAMIANS APP
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) _____ electric power is the most common method used by electrical grids to transfer power Three-phase One-phase None of these Two-phase Three-phase One-phase None of these Two-phase ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A Transformer _____ Changes AC to DC Changes DC to AC Steps up or down AC Voltages & Current Steps up or down DC Voltages & Current Changes AC to DC Changes DC to AC Steps up or down AC Voltages & Current Steps up or down DC Voltages & Current ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary Through air By the flux Through cooling coil None of these Through air By the flux Through cooling coil 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) 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 30 Volts 120 Volts 60 Volts 480 Volts 30 Volts 120 Volts 60 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
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