DGVCL Exam Paper (12-06-2016) The main disadvantages of having poor power factors are: All of these Poor voltage regulation High energy loss in conductor High cost of station and distribution equipment All of these Poor voltage regulation High energy loss in conductor High cost of station and distribution equipment ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) What will happen if the primary of a transformer is connected to DC supply? Transformer will operate with low efficiency Transformer may start to smoke and burn No effect Transformer will operate with high efficiency Transformer will operate with low efficiency Transformer may start to smoke and burn 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) For 11 kV line the inductance per km per phase will be of the order of: 0.1 mH 0.1 H 1 mH 1 H 0.1 mH 0.1 H 1 mH 1 H ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) True value has been 50 whereas measured value is 40 then the percentage error in the reading will be _____ 0.5 0.2 0.3 0.4 0.5 0.2 0.3 0.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP %error = 100 * (actual - measured )/ actual
DGVCL Exam Paper (12-06-2016) The permissible voltage variation in transmission and distribution system is: ± 25% ±10% ± 0.1% ± 1% ± 25% ±10% ± 0.1% ± 1% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This answer is as per official key of respective exam.
DGVCL Exam Paper (12-06-2016) The process of a computer receiving information from a server via Internet is known as: Uploading Retrieving All of these Downloading Uploading Retrieving All of these Downloading ANSWER DOWNLOAD EXAMIANS APP
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