DGVCL Exam Paper (12-06-2016) Which of the following does not change in a transformer? Frequency Voltage Current All of these Frequency Voltage Current All of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In transformer voltage and current can be raised or lowered.Frequency remains samePower and Flux remains almost constant.
DGVCL Exam Paper (12-06-2016) Which unit holds data permanently? Secondary storage unit Output Unit Primary Memory Unit Input unit Secondary storage unit Output Unit Primary Memory Unit Input unit ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) With effect from _____ India has adopted a new legislation called the Electricity Act 2003. 3 June 2003 2 May 2003 2 June 2003 None of these 3 June 2003 2 May 2003 2 June 2003 None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In India _____ supply is 415 V supply through 4-wires. Single - phase None of these Two-phase Three - phase Single - phase None of these Two-phase Three - phase ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Step-down transformer converts high voltage and low current into: Low voltage and high current High voltage and low current None of these How voltage and high current Low voltage and high current High voltage and low current None of these How 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) SF₆ gas: Is nontoxic Is yellow in colour Is lighter than air Has pungent smell Is nontoxic Is yellow in colour Is lighter than air Has pungent smell ANSWER DOWNLOAD EXAMIANS APP
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