DGVCL Exam Paper (12-06-2016) A 100-watt light bulb turned on for 8 hours uses : 800 Wh 8 kWh 0.8 kWh None of these 800 Wh 8 kWh 0.8 kWh None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In Solution 0.8 kWh and 800 Wh both options are given as answer as both are correct
DGVCL Exam Paper (12-06-2016) Which of the following is the least expensive protection for over current in low voltage system? Air break circuit breaker Isolator Rewireable fuse Oil Circuit breaker Air break circuit breaker Isolator Rewireable fuse Oil Circuit breaker ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The UGVCL is operative in the _____ Gujarat. Southern Western Central Northern Southern Western Central Northern ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) For 11 kV line the inductance per km per phase will be of the order of: 0.1 mH 1 H 0.1 H 1 mH 0.1 mH 1 H 0.1 H 1 mH ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Reactance relay is used for protection against: None of these Over voltage fault Phase fault Earth fault None of these Over voltage fault Phase fault Earth fault 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: 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 Transformer may start to smoke and burn ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Core loss of transformer = Hysteresis loss + eddy current lossHysteresis loss prpotional to feddy current loss prpotional to f².
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