DGVCL Exam Paper (12-06-2016) Increasing the number of turns of wire on the secondary of a transformer will 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 Increase 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) What would happen if a power transformer designed for operation on 50 Hz (frequency) were connected to a 500 Hz (frequency) source of the same voltage: No effect Current will be too much high Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive No effect Current will be too much high Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Core loss of transformer = Hysteresis loss + eddy current lossHysteresis loss prpotional to feddy current loss prpotional to f².
DGVCL Exam Paper (12-06-2016) As per Electricity Act, _____ means any line which is used for carrying electricity for any purpose. Electric line None of these Transmission line All of these Electric line None of these Transmission line All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) With effect from _____ India has adopted a new legislation called the Electricity Act 2003. None of these 2 June 2003 3 June 2003 2 May 2003 None of these 2 June 2003 3 June 2003 2 May 2003 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The main advantage of AC over DC is: All of these AC can be easily converted into DC by using a rectifier Conversion flexibility from one voltage level to other AC is easy to maintain & can be easily distributed at long distances All of these AC can be easily converted into DC by using a rectifier Conversion flexibility from one voltage level to other AC is easy to maintain & can be easily distributed at long distances ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following are components of Central Processing Unit (CPU)? Arithmetic logic unit, Mouse Arithmetic logic unit, Integrated Circuits Arithmetic logic unit, Control unit Control Unit, Monitor Arithmetic logic unit, Mouse Arithmetic logic unit, Integrated Circuits Arithmetic logic unit, Control unit Control Unit, Monitor ANSWER DOWNLOAD EXAMIANS APP
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