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: Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive Current will be too much high No effect Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive Current will be too much high No effect 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 energy radiated by Sun on a bright Sunny day is approximately: 1 kW/m² 700 W/m² 800 W/m² 2 kW/m² 1 kW/m² 700 W/m² 800 W/m² 2 kW/m² ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The Central Electricity Regulatory Commission (CERC) is mainly responsible for: All of these Advising the government on tariff policy and promoting competition Efficiency and economy in the electricity industry Regulating tariffs for generation and inter-state transmission of energy including tariffs All of these Advising the government on tariff policy and promoting competition Efficiency and economy in the electricity industry Regulating tariffs for generation and inter-state transmission of energy including tariffs ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Earthing switch is used for? 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 Discharging residual energies ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following is the product of data processing: Data System Software programme Information Data System Software programme Information ANSWER DOWNLOAD EXAMIANS APP