DGVCL Exam Paper (12-06-2016) The kVA rating of Three-phase transformer with Voltage = 200 V and Current = 100 A will be : None of these 20 kVA 75 kVA 34.64 kVA None of these 20 kVA 75 kVA 34.64 kVA ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For three phase,VA = √3 V IFor single phase, kVA = V I
DGVCL Exam Paper (12-06-2016) The main disadvantages of having poor power factors are: All of these Poor voltage regulation High cost of station and distribution equipment High energy loss in conductor All of these Poor voltage regulation High cost of station and distribution equipment High energy loss in conductor ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following does not change in a transformer? Current Frequency Voltage All of these Current Frequency Voltage All of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In transformer voltage and current can be raised or lowered.Frequency remains samePower and Flux remains almost constant.
DGVCL Exam Paper (12-06-2016) Where is RAM located? All of above Expansion Board Mother Board External Drive All of above Expansion Board Mother Board External Drive ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following are components of Central Processing Unit (CPU)? Arithmetic logic unit, Mouse Arithmetic logic unit, Control unit Arithmetic logic unit, Integrated Circuits Control Unit, Monitor Arithmetic logic unit, Mouse Arithmetic logic unit, Control unit Arithmetic logic unit, Integrated Circuits Control Unit, Monitor ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following is the least expensive protection for over current in low voltage system? Isolator Oil Circuit breaker Rewireable fuse Air break circuit breaker Isolator Oil Circuit breaker Rewireable fuse Air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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