DGVCL Exam Paper (12-06-2016) SF₆ gas: Has pungent smell Is lighter than air Is yellow in colour Is nontoxic Has pungent smell Is lighter than air Is yellow in colour Is nontoxic ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary By the flux Through air None of these Through cooling coil By the flux Through air None of these Through cooling coil ANSWER EXPLANATION DOWNLOAD EXAMIANS APP function of transfomer is that transfer electrical energy from primary cicuit to secondary through magnetic cicuit by mutual induction
DGVCL Exam Paper (12-06-2016) The acting contacts for a circuit breakers are made of : Porcelain Stainless Steel Hard-pressed carbon Copper Tungsten alloy Porcelain Stainless Steel Hard-pressed carbon Copper Tungsten alloy ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Increasing the number of turns of wire on the secondary of a transformer will Increase the secondary current Increase the primary current Decrease the secondary current Have no effect on the secondary current Increase the secondary current Increase the primary current Decrease the secondary current Have no effect on the secondary current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer ratio K : N₂/N₁=V₂/V₁=I₁/I₂
DGVCL Exam Paper (12-06-2016) The energy radiated by Sun on a bright Sunny day is approximately: 800 W/m² 700 W/m² 1 kW/m² 2 kW/m² 800 W/m² 700 W/m² 1 kW/m² 2 kW/m² ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) For 11 kV line the capacitance per km per phase will be of the order of: 0.01 microF 0.01 Farad 1 Farad 0.1 Farad 0.01 microF 0.01 Farad 1 Farad 0.1 Farad ANSWER DOWNLOAD EXAMIANS APP