DGVCL Exam Paper (12-06-2016) The transformer works on the principle of: None of these Mutual capacitance All of these Mutual induction None of these Mutual capacitance All of these Mutual induction ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Transformer is static device.two or more stationary electrical circuit mutually linked by magnetic circuit.assumptions of ideal transformer:1. there are no losses.2. whole magnetic flux constant no leakage.3. permeability of core is infinite.
DGVCL Exam Paper (12-06-2016) The voltage of transmission can be regulated by Use of tap changing transformers Use of capacitors to neutralize the effect of series reactance Any of the above methods Switching in shunt capacitors at the receiving end during heavy loads Use of tap changing transformers Use of capacitors to neutralize the effect of series reactance Any of the above methods Switching in shunt capacitors at the receiving end during heavy loads ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The energy radiated by Sun on a bright Sunny day is approximately: 800 W/m² 1 kW/m² 700 W/m² 2 kW/m² 800 W/m² 1 kW/m² 700 W/m² 2 kW/m² ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) One kilowatt-hour is? 1.6 mega joules 3.6 mega joules None of these 2.6 mega joules 1.6 mega joules 3.6 mega joules None of these 2.6 mega joules ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The rating of transformer may be expressed in _____ kVA Horse power kVAR kW kVA Horse power kVAR kW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equipment : RatingTransformer : kVAAlternator : kVAMotor : kW/HPBattery : ampere-hour
DGVCL Exam Paper (12-06-2016) In India _____ supply is 415 V supply through 4-wires. Two-phase Three - phase None of these Single - phase Two-phase Three - phase None of these Single - phase ANSWER DOWNLOAD EXAMIANS APP
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