DGVCL Exam Paper (12-06-2016) The main objectives in framing tariff are: Tariffs can be modified from time to time The consumers must readily understand the tariffs The tariff must be equitable amongst different consumers All of these Tariffs can be modified from time to time The consumers must readily understand the tariffs The tariff must be equitable amongst different consumers All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A 17 inch personal computer uses approximately 150 watts in an hour. If you have same computer on for only 4 minutes (for checking e-mail) what would be the power consumption? None of these 0.1 kW 0.04 kW 0.01 kW None of these 0.1 kW 0.04 kW 0.01 kW ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary? 60 Volts 120 Volts 30 Volts 480 Volts 60 Volts 120 Volts 30 Volts 480 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
DGVCL Exam Paper (12-06-2016) What will happen if the primary of a transformer is connected to DC supply? Transformer may start to smoke and burn Transformer will operate with low efficiency Transformer will operate with high efficiency No effect Transformer may start to smoke and burn Transformer will operate with low efficiency Transformer will operate with high efficiency No effect ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer works on principle of faraday's law of electromagnetic induction. So if D.C supply use, no indction are produced and due to this E.M.F not induced in winding and transfer of electrical energy is not possible.
DGVCL Exam Paper (12-06-2016) An _____ is a network of electrical components used to supply, transfer and use electric power: Electric power None of these Electric power system All of these Electric power None of these Electric power system All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The rating of fuse wire is always expressed in _____ kWh Ampere-volts Ampere-hours Amperes kWh Ampere-volts Ampere-hours Amperes ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equipment :Rating Fuse : AmpereTransformer : kVAAlternator : kVAMotor : kW/HPBattery : ampere-hour
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