DGVCL Exam Paper (12-06-2016) Transformer has _____ Primary winding and Auxiliary winding Auxiliary winding and secondary winding None of these Primary winding and secondary winding Primary winding and Auxiliary winding Auxiliary winding and secondary winding None of these Primary winding and secondary winding ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The rating of transformer may be expressed in _____ kVAR kVA Horse power kW kVAR kVA Horse power kW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equipment : RatingTransformer : kVAAlternator : kVAMotor : kW/HPBattery : ampere-hour
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) Increasing the number of turns of wire on the secondary of a transformer will Decrease the secondary current Increase the secondary current Have no effect on the secondary current Increase the primary current Decrease the secondary current Increase the secondary current Have no effect on the secondary current Increase the primary current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer ratio K : N₂/N₁=V₂/V₁=I₁/I₂
DGVCL Exam Paper (12-06-2016) Which of the following 3-phase connection of a transformer causes interference with the neighbouring communication lines: Delta-Star Delta-Delta Star-Delta Star-Star Delta-Star Delta-Delta Star-Delta Star-Star ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The number of cycles in which a high speed circuit breaker can complete its operation is 10 to 18 20 to 30 40 to 50 3 to 8 10 to 18 20 to 30 40 to 50 3 to 8 ANSWER DOWNLOAD EXAMIANS APP
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