DGVCL Exam Paper (11-12-2011) Permittivity is expressed in terms of N/m Farad/m farad/sq. m. Weber /m N/m Farad/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 corona Reduce line loss Reduce skin effect Balance line voltage drop Reduce corona Reduce line loss Reduce skin effect ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Ybus used in power flow studies and Zbus used in short circuit studies Are inverse of each other Are the same Are transpose of each other Have no inter relation Are inverse of each other Are the same Are transpose of each other Have no inter relation ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The corona effect can be minimized by increasing Diameter of the conductor The length of the conductor Spacing between the conductors Both spacing between the conductors and diameter of the conductor Diameter of the conductor The length of the conductor Spacing between the conductors Both spacing between the conductors and diameter of the conductor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Corona can be reduced by using large size of conductor, bundle conductor and hollow conductor.
DGVCL Exam Paper (11-12-2011) A Mho relay is a Directional restrained over voltage relay 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 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) In which of the following motors, the stator and rotor magnetic fields rotate at the same speed? Universal motor Induction motor Synchronous motor Reluctance motor Universal motor Induction motor Synchronous motor Reluctance motor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In all machine stator and rotor magnetic field rotates (stationary with respect to each other) at synchronous speed with respect to stationary observer.
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