DGVCL Exam Paper (12-06-2016) The permissible voltage variation in transmission and distribution system is: ± 1% ± 0.1% ± 25% ±10% ± 1% ± 0.1% ± 25% ±10% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This answer is as per official key of respective exam.
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 Current will be too much high Eddy Current and Hysteresis losses will be excessive No effect Transformer may start to smoke and burn Current will be too much high Eddy Current and Hysteresis losses will be excessive 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) Taskbar is used for All of above Switching between program Navigation program Start a program All of above Switching between program Navigation program Start a program ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) For 11 kV line the capacitance per km per phase will be of the order of: 0.1 Farad 1 Farad 0.01 microF 0.01 Farad 0.1 Farad 1 Farad 0.01 microF 0.01 Farad ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A fuse wire should have : High specific resistance and low melting point High specific resistance and high melting point Low specific resistance and high melting point Low specific resistance and low melting point High specific resistance and low melting point High specific resistance and high melting point Low specific resistance and high melting point Low specific resistance and low melting point ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The rating of transformer may be expressed in _____ kW kVA kVAR Horse power kW kVA kVAR Horse power ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equipment : RatingTransformer : kVAAlternator : kVAMotor : kW/HPBattery : ampere-hour
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