DGVCL Exam Paper (12-06-2016) The following is correct : P = V²/R All of these P = I²xR P = VxI P = V²/R All of these P = I²xR P = VxI ANSWER EXPLANATION DOWNLOAD EXAMIANS APP True for DC Circuits.For single pahse ac P = V I CosØ
DGVCL Exam Paper (12-06-2016) The rating of transformer may be expressed in _____ kVA kW Horse power kVAR kVA kW Horse power kVAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equipment : RatingTransformer : kVAAlternator : kVAMotor : kW/HPBattery : ampere-hour
DGVCL Exam Paper (12-06-2016) The voltage of transmission can be regulated by Any of the above methods Switching in shunt capacitors at the receiving end during heavy loads Use of capacitors to neutralize the effect of series reactance Use of tap changing transformers Any of the above methods Switching in shunt capacitors at the receiving end during heavy loads Use of capacitors to neutralize the effect of series reactance Use of tap changing transformers ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) One kilowatt-hour is? 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 2.6 mega joules 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 No effect Eddy Current and Hysteresis losses will be excessive Current will be too much high Transformer may start to smoke and burn No effect Eddy Current and Hysteresis losses will be excessive Current will be too much high 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) With effect from _____ India has adopted a new legislation called the Electricity Act 2003. 2 May 2003 2 June 2003 3 June 2003 None of these 2 May 2003 2 June 2003 3 June 2003 None of these ANSWER DOWNLOAD EXAMIANS APP
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