DGVCL Exam Paper (12-06-2016) Step-down transformer converts high voltage and low current into: High voltage and low current How voltage and high current None of these Low voltage and high current High voltage and low current How voltage and high current None of these Low voltage and high current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In step up votlage,Output votlage > Input votlageOutput current < Input currentIn step down transformerOutput votlage < Input votlageOutput current > Input current.Power and frequency remains almost constant in stepup or stepdown transformer.
DGVCL Exam Paper (12-06-2016) A 17 inch personal computer uses approximately 150 watts in an hour. If you have same computer on for only 4 minutes (for checking e-mail) what would be the power consumption? None of these 0.01 kW 0.04 kW 0.1 kW None of these 0.01 kW 0.04 kW 0.1 kW ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The rating of fuse wire is always expressed in _____ kWh Ampere-hours Amperes Ampere-volts kWh Ampere-hours Amperes Ampere-volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equipment :Rating Fuse : AmpereTransformer : kVAAlternator : kVAMotor : kW/HPBattery : ampere-hour
DGVCL Exam Paper (12-06-2016) Reactance relay is used for protection against: Earth fault Over voltage fault None of these Phase fault Earth fault Over voltage fault None of these Phase fault ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Increasing the number of turns of wire on the secondary of a transformer will Have no effect on the secondary current Increase the secondary current Decrease the secondary current Increase the primary current Have no effect on the secondary current Increase the secondary current Decrease the secondary current Increase the primary current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer ratio K : N₂/N₁=V₂/V₁=I₁/I₂
DGVCL Exam Paper (12-06-2016) The Central Electricity Regulatory Commission (CERC) is mainly responsible for: Regulating tariffs for generation and inter-state transmission of energy including tariffs All of these Efficiency and economy in the electricity industry Advising the government on tariff policy and promoting competition Regulating tariffs for generation and inter-state transmission of energy including tariffs All of these Efficiency and economy in the electricity industry Advising the government on tariff policy and promoting competition ANSWER DOWNLOAD EXAMIANS APP
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