DGVCL Exam Paper (12-06-2016) _____ are used where it is necessary to control a circuit by a low power signal. None of these Transformer Electric Motor Relays None of these Transformer Electric Motor Relays ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The friction losses in Real Transformers are : 0.5 0.25 0.05 0 0.5 0.25 0.05 0 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) Efficiency of a power transformer is of the order of : 0.25 0.5 1 0.98 0.25 0.5 1 0.98 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following is the product of data processing: Software programme System Information Data Software programme System Information Data ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) If 3000 kW power is to be transmitted over a distance of 30 km, the desirable transmission voltage will be 132 kV 33 kV 11 kV 66 kV 132 kV 33 kV 11 kV 66 kV ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The transformer works on the principle of: Mutual capacitance Mutual induction All of these None of these Mutual capacitance Mutual induction All of these None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Transformer is static device.two or more stationary electrical circuit mutually linked by magnetic circuit.assumptions of ideal transformer:1. there are no losses.2. whole magnetic flux constant no leakage.3. permeability of core is infinite.
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