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? 120 Volts 30 Volts 480 Volts 60 Volts 120 Volts 30 Volts 480 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 _____ Regenerative Cycle Efficiency Renkine Cycle Efficiency None of these Carnot cycle efficiency Regenerative Cycle Efficiency Renkine Cycle Efficiency None of these Carnot cycle efficiency ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Product of boiler efficiency, turbine efficiency and generator efficiency.
DGVCL Exam Paper (12-06-2016) If the displayed system time and date is wrong, you can reset it using : Menu bar Task bar Control panel Desk top Menu bar Task bar Control panel Desk top ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following is not a part of transformer installation? Breather Conservator Buchholz Relay Exciter Breather Conservator Buchholz Relay Exciter ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Exciter is used in alternator for field supply.
DGVCL Exam Paper (12-06-2016) Which of the following is the least expensive protection for over current in low voltage system? Isolator Rewireable fuse Air break circuit breaker Oil Circuit breaker Isolator Rewireable fuse Air break circuit breaker Oil Circuit breaker ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Cylindrical type transformer has: Single magnetic circuit None of these Double magnetic circuit All of these Single magnetic circuit None of these Double magnetic circuit All of these ANSWER DOWNLOAD EXAMIANS APP
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