DGVCL Exam Paper (12-06-2016) Where is RAM located? Expansion Board All of above Mother Board External Drive Expansion Board All of above Mother Board External Drive 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? Oil Circuit breaker Isolator Air break circuit breaker Rewireable fuse Oil Circuit breaker Isolator Air break circuit breaker Rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following is correct : P = I²xR P = VxI All of these P = V²/R P = I²xR P = VxI All of these P = V²/R ANSWER EXPLANATION DOWNLOAD EXAMIANS APP True for DC Circuits.For single pahse ac P = V I CosØ
DGVCL Exam Paper (12-06-2016) The friction losses in Real Transformers are : 0.25 0.05 0 0.5 0.25 0.05 0 0.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP As there is no rotating part in transformer, there is no friction and windage loss
DGVCL Exam Paper (12-06-2016) What will happen if the primary of a transformer is connected to DC supply? Transformer may start to smoke and burn Transformer will operate with low efficiency No effect Transformer will operate with high efficiency Transformer may start to smoke and burn Transformer will operate with low efficiency No effect Transformer will operate with high efficiency ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer works on principle of faraday's law of electromagnetic induction. So if D.C supply use, no indction are produced and due to this E.M.F not induced in winding and transfer of electrical energy is not possible.
DGVCL Exam Paper (12-06-2016) _____ are used where it is necessary to control a circuit by a low power signal. None of these Electric Motor Relays Transformer None of these Electric Motor Relays Transformer ANSWER DOWNLOAD EXAMIANS APP
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