DGVCL Exam Paper (12-06-2016) A Transformer _____ Changes AC to DC Changes DC to AC Steps up or down DC Voltages & Current Steps up or down AC Voltages & Current Changes AC to DC Changes DC to AC Steps up or down DC Voltages & Current Steps up or down AC Voltages & Current ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) True value has been 50 whereas measured value is 40 then the percentage error in the reading will be _____ 0.3 0.2 0.5 0.4 0.3 0.2 0.5 0.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP %error = 100 * (actual - measured )/ actual
DGVCL Exam Paper (12-06-2016) Earthing switch is used for? Discharging residual energies Protection of equipment from ground faults Measuring of safety voltage All of these Discharging residual energies Protection of equipment from ground faults Measuring of safety voltage All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A 100-watt light bulb turned on for 8 hours uses : None of these 0.8 kWh 800 Wh 8 kWh None of these 0.8 kWh 800 Wh 8 kWh ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In Solution 0.8 kWh and 800 Wh both options are given as answer as both are correct
DGVCL Exam Paper (12-06-2016) Directional relays are based on flow of Voltage All of these Power Current Voltage All of these Power Current ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The main advantage of AC over DC is: All of these Conversion flexibility from one voltage level to other AC can be easily converted into DC by using a rectifier AC is easy to maintain & can be easily distributed at long distances All of these Conversion flexibility from one voltage level to other AC can be easily converted into DC by using a rectifier AC is easy to maintain & can be easily distributed at long distances ANSWER DOWNLOAD EXAMIANS APP
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