DGVCL Exam Paper (12-06-2016) Admittance relay is _____ relay. Impedance Non-directional None of these Directional Impedance Non-directional None of these Directional ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Earthing switch is used for? Protection of equipment from ground faults Measuring of safety voltage All of these Discharging residual energies Protection of equipment from ground faults Measuring of safety voltage All of these Discharging residual energies ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The rating of fuse wire is always expressed in _____ Ampere-hours kWh Amperes Ampere-volts Ampere-hours kWh Amperes Ampere-volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equipment :Rating Fuse : AmpereTransformer : kVAAlternator : kVAMotor : kW/HPBattery : ampere-hour
DGVCL Exam Paper (12-06-2016) Induction cup relay is operated due to changes in : Current All of these Impedance Voltage Current All of these Impedance Voltage ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The voltage of transmission can be regulated by Use of capacitors to neutralize the effect of series reactance Switching in shunt capacitors at the receiving end during heavy loads Any of the above methods Use of tap changing transformers Use of capacitors to neutralize the effect of series reactance Switching in shunt capacitors at the receiving end during heavy loads Any of the above methods Use of tap changing transformers ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) What will happen if the primary of a transformer is connected to DC supply? No effect Transformer will operate with high efficiency Transformer will operate with low efficiency Transformer may start to smoke and burn No effect Transformer will operate with high efficiency Transformer will operate with low efficiency Transformer may start to smoke and burn 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.
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