DGVCL Exam Paper (12-06-2016) The friction losses in Real Transformers are : 0.25 0 0.05 0.5 0.25 0 0.05 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) What will happen if the primary of a transformer is connected to DC supply? No effect Transformer may start to smoke and burn Transformer will operate with high efficiency Transformer will operate with low efficiency No effect Transformer may start to smoke and burn Transformer will operate with high efficiency Transformer will operate with low efficiency 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) The rating of transformer may be expressed in _____ Horse power kVAR kW kVA Horse power kVAR kW kVA ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equipment : RatingTransformer : kVAAlternator : kVAMotor : kW/HPBattery : ampere-hour
DGVCL Exam Paper (12-06-2016) As per Electricity Act, _____ means a process which simultaneously produces two or more forms of useful energy (including electricity). Cogeneration Power generation None of these Captive Power Plant Cogeneration Power generation None of these Captive Power Plant ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In case the height of transmission tower is increased, which of the following parameter is likely to change? Resistance Capacitance None of these Inductance Resistance Capacitance None of these Inductance ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The Central Electricity Regulatory Commission (CERC) is mainly responsible for: All of these Regulating tariffs for generation and inter-state transmission of energy including tariffs Efficiency and economy in the electricity industry Advising the government on tariff policy and promoting competition All of these Regulating tariffs for generation and inter-state transmission of energy including tariffs Efficiency and economy in the electricity industry Advising the government on tariff policy and promoting competition ANSWER DOWNLOAD EXAMIANS APP
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