DGVCL Exam Paper (12-06-2016) The relay operating speed depends upon The spring tension The rate of flux built up Armature core air gap All of these The spring tension The rate of flux built up Armature core air gap All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Wave trap is used to trap waves of: Higher frequencies entering generator or transformer units Power frequencies None of these All of these Higher frequencies entering generator or transformer units Power frequencies None of these All of these 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) The consumer of electricity could be: All of these Domestic Agricultural Industrial and Commercial All of these Domestic Agricultural Industrial and Commercial ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following is/are the characteristics of SF₆ circuit breakers: Short break time of 2 to 2.5 cycles All of these It does not need an auxiliary breaking chamber None of these Short break time of 2 to 2.5 cycles All of these It does not need an auxiliary breaking chamber None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The main advantage of AC over DC is: Conversion flexibility from one voltage level to other AC can be easily converted into DC by using a rectifier AC is easy to maintain & can be easily distributed at long distances All of these Conversion flexibility from one voltage level to other AC can be easily converted into DC by using a rectifier AC is easy to maintain & can be easily distributed at long distances All of these ANSWER DOWNLOAD EXAMIANS APP
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