DGVCL Exam Paper (12-06-2016) Which of the following 3-phase connection of a transformer causes interference with the neighbouring communication lines: Star-Delta Star-Star Delta-Delta Delta-Star Star-Delta Star-Star Delta-Delta Delta-Star 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? 0.04 kW 0.1 kW None of these 0.01 kW 0.04 kW 0.1 kW None of these 0.01 kW ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Isolator in substation is open under _____ condition. None of these Full load No load Short circuit None of these Full load No load Short circuit ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Isolators do not have capacity to make or breake circuit when current flowing in circuit
DGVCL Exam Paper (12-06-2016) In fuel cell the _____ energy is converted into electrical energy. Heat Chemical Mechanical Sound Heat Chemical Mechanical Sound ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The voltage of transmission can be regulated by Any of the above methods Use of capacitors to neutralize the effect of series reactance Use of tap changing transformers Switching in shunt capacitors at the receiving end during heavy loads Any of the above methods Use of capacitors to neutralize the effect of series reactance Use of tap changing transformers Switching in shunt capacitors at the receiving end during heavy loads ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The main advantage of AC over DC is: Conversion flexibility from one voltage level to other AC can be easily converted into DC by using a rectifier AC is easy to maintain & can be easily distributed at long distances All of these Conversion flexibility from one voltage level to other AC can be easily converted into DC by using a rectifier AC is easy to maintain & can be easily distributed at long distances All of these ANSWER DOWNLOAD EXAMIANS APP
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