DGVCL Exam Paper (12-06-2016) The following formula is correct: Diversity factor = 1/Coincidence Factor Diversity factor = 1 - Coincidence Factor All of these Diversity factor = 1 x Coincidence Factor Diversity factor = 1/Coincidence Factor Diversity factor = 1 - Coincidence Factor All of these Diversity factor = 1 x Coincidence Factor 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: Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive No effect Current will be too much high Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive No effect 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) _____ are used where it is necessary to control a circuit by a low power signal. Electric Motor Relays None of these Transformer Electric Motor Relays None of these Transformer ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Core type transformers are popular in _____ Low voltage applications All of these High voltage applications None of these Low voltage applications All of these High voltage applications None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The overall efficiency of Thermal Power Plant is equal to _____ Carnot cycle efficiency Regenerative Cycle Efficiency None of these Renkine Cycle Efficiency Carnot cycle efficiency Regenerative Cycle Efficiency None of these Renkine Cycle Efficiency ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Product of boiler efficiency, turbine efficiency and generator efficiency.
DGVCL Exam Paper (12-06-2016) The energy radiated by Sun on a bright Sunny day is approximately: 800 W/m² 1 kW/m² 700 W/m² 2 kW/m² 800 W/m² 1 kW/m² 700 W/m² 2 kW/m² ANSWER DOWNLOAD EXAMIANS APP
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