DGVCL Exam Paper (12-06-2016) The transformer works on the principle of: Mutual induction All of these None of these Mutual capacitance Mutual induction All of these None of these Mutual capacitance 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.
DGVCL Exam Paper (12-06-2016) The SI unit of energy is : Joule Henry Coulomb Newton Joule Henry Coulomb Newton ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The energy radiated by Sun on a bright Sunny day is approximately: 800 W/m² 2 kW/m² 1 kW/m² 700 W/m² 800 W/m² 2 kW/m² 1 kW/m² 700 W/m² 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 _____ 0.2 0.4 0.3 0.5 0.2 0.4 0.3 0.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP %error = 100 * (actual - measured )/ actual
DGVCL Exam Paper (12-06-2016) Directional relays are based on flow of Current Power All of these Voltage Current Power All of these Voltage ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) SF₆ gas: Is yellow in colour Is lighter than air Is nontoxic Has pungent smell Is yellow in colour Is lighter than air Is nontoxic Has pungent smell ANSWER DOWNLOAD EXAMIANS APP
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