DGVCL Exam Paper (12-06-2016) Directional relays are based on flow of Power Current All of these Voltage Power Current All of these Voltage ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following circuit breakers has high reliability & minimum maintenance? Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB 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 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) True value has been 50 whereas measured value is 40 then the percentage error in the reading will be _____ 0.2 0.5 0.3 0.4 0.2 0.5 0.3 0.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP %error = 100 * (actual - measured )/ actual
DGVCL Exam Paper (12-06-2016) The following formula is correct: Diversity factor = 1/Coincidence Factor Diversity factor = 1 x Coincidence Factor Diversity factor = 1 - Coincidence Factor All of these Diversity factor = 1/Coincidence Factor Diversity factor = 1 x Coincidence Factor Diversity factor = 1 - Coincidence Factor All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which unit holds data permanently? Input unit Secondary storage unit Primary Memory Unit Output Unit Input unit Secondary storage unit Primary Memory Unit Output Unit ANSWER DOWNLOAD EXAMIANS APP
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