DGVCL Exam Paper (12-06-2016) The registered office of MGVCL is in _____ Ahmedabad Valsad Vadodara Godhra Ahmedabad Valsad Vadodara Godhra ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Company : Registered OffficePGVCL : RajkotMGVCL : VadodaraDGVCL : SuratUGVCL : MehsanaGETCO : VadodaraGUVNL : Vadodara
DGVCL Exam Paper (12-06-2016) Increasing the number of turns of wire on the secondary of a transformer will Increase the primary current Increase the secondary current Have no effect on the secondary current Decrease the secondary current Increase the primary current Increase the secondary current Have no effect on the secondary current Decrease the secondary current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer ratio K : N₂/N₁=V₂/V₁=I₁/I₂
DGVCL Exam Paper (12-06-2016) A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary? 30 Volts 60 Volts 120 Volts 480 Volts 30 Volts 60 Volts 120 Volts 480 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
DGVCL Exam Paper (12-06-2016) The acting contacts for a circuit breakers are made of : Hard-pressed carbon Porcelain Stainless Steel Copper Tungsten alloy Hard-pressed carbon Porcelain Stainless Steel Copper Tungsten alloy ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) SF₆ gas: Is lighter than air Has pungent smell Is yellow in colour Is nontoxic Is lighter than air Has pungent smell Is yellow in colour Is nontoxic ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A relay used for protection of motors against overload is : Electromagnetic attraction type Thermal relay Buchholz's relay Impedance relay Electromagnetic attraction type Thermal relay Buchholz's relay Impedance relay ANSWER DOWNLOAD EXAMIANS APP
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