DGVCL Exam Paper (12-06-2016) The friction losses in Real Transformers are : 0 0.05 0.25 0.5 0 0.05 0.25 0.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP As there is no rotating part in transformer, there is no friction and windage loss
DGVCL Exam Paper (12-06-2016) A 100-watt light bulb turned on for 8 hours uses : None of these 0.8 kWh 8 kWh 800 Wh None of these 0.8 kWh 8 kWh 800 Wh 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) The main advantage of AC over DC is: AC is easy to maintain & can be easily distributed at long distances Conversion flexibility from one voltage level to other AC can be easily converted into DC by using a rectifier All of these AC is easy to maintain & can be easily distributed at long distances Conversion flexibility from one voltage level to other AC can be easily converted into DC by using a rectifier All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) One kilowatt-hour is? 2.6 mega joules None of these 3.6 mega joules 1.6 mega joules 2.6 mega joules None of these 3.6 mega joules 1.6 mega joules 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 20 to 30 3 to 8 40 to 50 10 to 18 20 to 30 3 to 8 40 to 50 10 to 18 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Step-down transformer converts high voltage and low current into: High voltage and low current None of these How voltage and high current Low voltage and high current High voltage and low current None of these How voltage and high current Low voltage and high current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In step up votlage,Output votlage > Input votlageOutput current < Input currentIn step down transformerOutput votlage < Input votlageOutput current > Input current.Power and frequency remains almost constant in stepup or stepdown transformer.
EXAMIANS