DGVCL Exam Paper (12-06-2016) Wave trap is used to trap waves of: 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 All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which unit holds data permanently? Primary Memory Unit Input unit Secondary storage unit Output Unit Primary Memory Unit Input unit Secondary storage unit Output Unit 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? 480 Volts 120 Volts 30 Volts 60 Volts 480 Volts 120 Volts 30 Volts 60 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
DGVCL Exam Paper (12-06-2016) The overall efficiency of Thermal Power Plant is equal to _____ Carnot cycle efficiency Regenerative Cycle Efficiency None of these Renkine Cycle Efficiency Carnot cycle efficiency Regenerative Cycle Efficiency None of these Renkine Cycle Efficiency ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Product of boiler efficiency, turbine efficiency and generator efficiency.
DGVCL Exam Paper (12-06-2016) Isolator in substation is open under _____ condition. No load Short circuit None of these Full load No load Short circuit None of these Full 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) Capacitance is the ability of a body to store an _____ electrical charge voltage electric current All of these electrical charge voltage electric current All of these ANSWER DOWNLOAD EXAMIANS APP