DGVCL Exam Paper (11-12-2011) Permittivity is expressed in terms of Farad/m N/m farad/sq. m. Weber /m Farad/m N/m farad/sq. m. Weber /m ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Transposition of transmission line is done to Balance line voltage drop Reduce skin effect Reduce line loss Reduce corona Balance line voltage drop Reduce skin effect Reduce line loss Reduce corona ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The bus bar zone faults are generally Three phase short ciruits Double line to ground faults Single line to ground faults Phase to phase faults Three phase short ciruits Double line to ground faults Single line to ground faults Phase to phase faults ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) What happens to the contents of RAM (Random Access Memory) when the power of the computer is turned off? Content is lost Content gets corrupted Content is transferred to other memory Content remains intact Content is lost Content gets corrupted Content is transferred to other memory Content remains intact ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A 3 phase, 6 pole induction motor operates on 440 V, 50 Hz, supply. If the actual speed of the motor is 960 rpm the slip will be 5 % 6 % 0.4 % 4 % 5 % 6 % 0.4 % 4 % ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Ns = 120f/PSlip=(Ns-Nr)/NsNs = 1000 and Nr = 960 from equation of slip, S = (1000-960)/1000S = 0.04 or 4%
DGVCL Exam Paper (11-12-2011) Under operating conditions, the secondary of a current transformer is always short ciruited because It is safe to human beings It avoids core saturation and high voltage induction It protects the primary ciruits It protects the secondary ciruits It is safe to human beings It avoids core saturation and high voltage induction It protects the primary ciruits It protects the secondary ciruits ANSWER DOWNLOAD EXAMIANS APP
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