DGVCL Exam Paper (11-12-2011) What type of insulator is used if the direction of the transmission line is to be changed? Strain type Suspebsion type Shakle type Pin type Strain type Suspebsion type Shakle type Pin type ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) It is difficult interrupt a capacitive current because It has a leading power factor Stored energy in the capacitor is very high The restriking voltage can be high Current magnitude is very small It has a leading power factor Stored energy in the capacitor is very high The restriking voltage can be high Current magnitude is very small ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The bus bar zone faults are generally Phase to phase faults Double line to ground faults Single line to ground faults Three phase short ciruits Phase to phase faults Double line to ground faults Single line to ground faults Three phase short ciruits ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Which motor is used to start heavy loads? Series motor Shunt motor Differentially compounded motor Cumulatively compounded motor Series motor Shunt motor Differentially compounded motor Cumulatively compounded motor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Torque in d.c motor = k* φ * IaIn series motor φ α IaTα I²starting torque of dc series motor is high
DGVCL Exam Paper (11-12-2011) At time t= 0+ , with zero initial condition, which of the following acts as a short circuit? Conductor Voltage source Resistor Capacitor Conductor Voltage source Resistor Capacitor ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A Mho relay is a Voltage controlled over current relay Voltage restrained directional relay Directional restrained over current relay Directional restrained over voltage relay Voltage controlled over current relay Voltage restrained directional relay Directional restrained over current relay Directional restrained over voltage relay ANSWER DOWNLOAD EXAMIANS APP
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