DGVCL Exam Paper (11-12-2011) If a relay fails to operate inspite of a fault in its own zone of protection, it is said to Over reach Under reach Pick up Reach Over reach Under reach Pick up Reach ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) An over excited synchronous motor draws current at Unity power factor Depends on nature of load Leading power factor Lagging power factor Unity power factor Depends on nature of load Leading power factor Lagging power factor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Over excitation : leading currentUnder excitation : lagging currentNormal excitation : current with unity PF (in phase current)
DGVCL Exam Paper (11-12-2011) Permittivity is expressed in terms of Farad/m N/m Weber /m farad/sq. m. Farad/m N/m Weber /m farad/sq. m. ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) At time t= 0+ , with zero initial condition, which of the following acts as a short circuit? Voltage source Conductor Resistor Capacitor Voltage source Conductor Resistor Capacitor ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A fuse wire should have Low specific resistance and low melting point Low specific resistance and high melting point High specific resistance and high melting point High specific resistance and low melting point Low specific resistance and low melting point Low specific resistance and high melting point High specific resistance and high melting point High specific resistance and low melting point ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) First zone distance relay protects the transmission line section upto 25 % of its full length Its full length 50 % of its full length 80 % of its full length 25 % of its full length Its full length 50 % of its full length 80 % of its full length ANSWER DOWNLOAD EXAMIANS APP
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