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 None of these Power generation Captive Power Plant Cogeneration None of these Power generation Captive Power Plant ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Increasing the number of turns of wire on the secondary of a transformer will Decrease the secondary current Increase the secondary current Have no effect on the secondary current Increase the primary current Decrease the secondary current Increase the secondary current Have no effect on the secondary current Increase the primary current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer ratio K : N₂/N₁=V₂/V₁=I₁/I₂
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) Transformer has _____ Primary winding and Auxiliary winding None of these Primary winding and secondary winding Auxiliary winding and secondary winding Primary winding and Auxiliary winding None of these Primary winding and secondary winding Auxiliary winding and secondary winding ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The kVA rating of Three-phase transformer with Voltage = 200 V and Current = 100 A will be : 75 kVA None of these 34.64 kVA 20 kVA 75 kVA None of these 34.64 kVA 20 kVA ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For three phase,VA = √3 V IFor single phase, kVA = V I
DGVCL Exam Paper (12-06-2016) A Transformer _____ Changes DC to AC Changes AC to DC Steps up or down DC Voltages & Current Steps up or down AC Voltages & Current Changes DC to AC Changes AC to DC Steps up or down DC Voltages & Current Steps up or down AC Voltages & Current ANSWER DOWNLOAD EXAMIANS APP
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