DGVCL Exam Paper (12-06-2016) Which of the following is not a part of transformer installation? Exciter Conservator Buchholz Relay Breather Exciter Conservator Buchholz Relay Breather ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Exciter is used in alternator for field supply.
DGVCL Exam Paper (12-06-2016) Step-down transformer converts high voltage and low current into: None of these Low voltage and high current How voltage and high current High voltage and low current None of these Low voltage and high current How voltage and high current High voltage and low current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In step up votlage,Output votlage > Input votlageOutput current < Input currentIn step down transformerOutput votlage < Input votlageOutput current > Input current.Power and frequency remains almost constant in stepup or stepdown transformer.
DGVCL Exam Paper (12-06-2016) Transformer core is laminated to _____ Reduce all above losses Reduce eddy current losses Reduce copper losses Reduce hysteresis loss Reduce all above losses Reduce eddy current losses Reduce copper losses Reduce hysteresis loss ANSWER EXPLANATION DOWNLOAD EXAMIANS APP To reduce eddy current loss laminations is done.To reduce hysteresis loss good magnetic material (whose specific hysterisis loss is low) is used.
DGVCL Exam Paper (12-06-2016) A 17 inch personal computer uses approximately 150 watts in an hour. If you have same computer on for only 4 minutes (for checking e-mail) what would be the power consumption? 0.01 kW 0.1 kW None of these 0.04 kW 0.01 kW 0.1 kW None of these 0.04 kW ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The permissible voltage variation in transmission and distribution system is: ± 1% ± 25% ± 0.1% ±10% ± 1% ± 25% ± 0.1% ±10% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This answer is as per official key of respective exam.
DGVCL Exam Paper (12-06-2016) You should choose Sleep option when You are leaving for a very short time and want to resume your work shortly. You finish working and are going to bed. The computer is tired after working for the whole day. When computer gets hanged frequently. Let it sleep for some time. You are leaving for a very short time and want to resume your work shortly. You finish working and are going to bed. The computer is tired after working for the whole day. When computer gets hanged frequently. Let it sleep for some time. ANSWER DOWNLOAD EXAMIANS APP
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