DGVCL Exam Paper (11-12-2011) The main criterion for the design of a distributor is Radio interference Corona loss Temperature rise Voltage drop Radio interference Corona loss Temperature rise Voltage drop ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A device connected to the computer which converts digital signals to analog and vice-versa is Keyboard CPU Modem UPS Keyboard CPU Modem UPS ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Which of the following power distribution system gives better reliabity ? Ring main system Radial system None of these DC 3 wire system Ring main system Radial system None of these DC 3 wire system ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Buchholz relay causes Alarm for both major and minor faults Tripping for minor faults and alarm for major faults Tripping for both major and minor faults Tripping for major faults and alarm for minor faults Alarm for both major and minor faults Tripping for minor faults and alarm for major faults Tripping for both major and minor faults Tripping for major faults and alarm for minor faults ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) In the protection of transformers, harmonic restraint is used to guard against Magnetizing inrush current Switching over voltages Lightning Unbalanced protection Magnetizing inrush current Switching over voltages Lightning Unbalanced protection ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Initial inrush of magnetizing currents have high component of even and odd harmonics.2nd - 63%3rd -26.8%4th- 5.1%5th- 4.1%6th- 3.77th-2.4
DGVCL Exam Paper (11-12-2011) The circuit breaker generally used in railway traction is Air break CB Bulk Oil CB Vacuum CB Minimum Oil CB Air break CB Bulk Oil CB Vacuum CB Minimum Oil CB ANSWER DOWNLOAD EXAMIANS APP
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