DGVCL Exam Paper (11-12-2011) The circuit breaker generally used in railway traction is Air break CB Minimum Oil CB Vacuum CB Bulk Oil CB Air break CB Minimum Oil CB Vacuum CB Bulk Oil CB ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) People can interact with each other through any part of the world through video conferencing using Speaker Joystick Webcam Scanner Speaker Joystick Webcam Scanner 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 major faults and alarm for minor faults Tripping for both major and minor faults Alarm for both major and minor faults Tripping for minor faults and alarm for major faults Tripping for major faults and alarm for minor faults Tripping for both major and minor faults ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The efficiency of a transformer at full load, 0.8 p.f. lag is 90%. Its efficiency at full load, 0.8 p.f. lead will be Less than 90% 90 % 80 % More than 90% Less than 90% 90 % 80 % More than 90% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Efficiency= output power/input powerefficiency = (v*i*cosφ)/((v*i*cosφ)+(x² Pc)+(Pi)) x=fractional part of full load
DGVCL Exam Paper (11-12-2011) Permittivity is expressed in terms of N/m farad/sq. m. Farad/m Weber /m N/m farad/sq. m. Farad/m Weber /m ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The best location of the power factor correction equipment to be installed in the transmission line is at The sending end The receiving end Middle of the line Any place The sending end The receiving end Middle of the line Any place ANSWER DOWNLOAD EXAMIANS APP
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