DGVCL Exam Paper (12-06-2016) Isolator in substation is open under _____ condition. Short circuit None of these Full load No load Short circuit None of these Full load No load 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) The Minimum Oil Circuit Breaker (MOCB) is named because of : Reduced requirement of air Reduced requirement of oil None of these All of these Reduced requirement of air Reduced requirement of oil None of these All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) As per Electricity Act, _____ means any line which is used for carrying electricity for any purpose. None of these Electric line All of these Transmission line None of these Electric line All of these Transmission line ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Wave trap is used to trap waves of: All of these Power frequencies None of these Higher frequencies entering generator or transformer units All of these Power frequencies None of these Higher frequencies entering generator or transformer units 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 480 Volts 120 Volts 30 Volts 60 Volts 480 Volts 120 Volts 30 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
DGVCL Exam Paper (12-06-2016) A _____ is used to measure the stator % winding temperature of the generator. Thermometer Resistance thermometer Pyrometer Thermocouple Thermometer Resistance thermometer Pyrometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP