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) First zone distance relay protects the transmission line section upto 25 % of its full length Its full length 80 % of its full length 50 % of its full length 25 % of its full length Its full length 80 % of its full length 50 % of its full length ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) It is difficult interrupt a capacitive current because Stored energy in the capacitor is very high Current magnitude is very small It has a leading power factor The restriking voltage can be high Stored energy in the capacitor is very high Current magnitude is very small It has a leading power factor The restriking voltage can be high ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The positive and negative sequence impedance of a transmission line are Different Infinite Equal Zero Different Infinite Equal Zero ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The advantage of slipring induction motor over the squirrel cage induction motor is It's power factor is higher It is suitable for higher speeds It has a higher efficiency It can be started with the help of rotor resistances It's power factor is higher It is suitable for higher speeds It has a higher efficiency It can be started with the help of rotor resistances ANSWER EXPLANATION DOWNLOAD EXAMIANS APP slip ring motor have high starting torque compare to squirrel cage motor and have good speed controlalso have high over loading capacity, smooth acceleration under heavy loads.
DGVCL Exam Paper (11-12-2011) A Mho relay is a Directional restrained over current relay Voltage restrained directional relay Directional restrained over voltage relay Voltage controlled over current relay Directional restrained over current relay Voltage restrained directional relay Directional restrained over voltage relay Voltage controlled over current relay ANSWER DOWNLOAD EXAMIANS APP
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