DGVCL Exam Paper (11-12-2011) The main advantage of using fractional pitch winding is to refuce Size of the machine Amount of copper in the winding Harmonics in the generated emf Cost of the machine Size of the machine Amount of copper in the winding Harmonics in the generated emf Cost of the machine ANSWER EXPLANATION DOWNLOAD EXAMIANS APP due to fractional pitch EMF can be approximately made into sine wavelosses due to harmonics reducedsaving in conductor materialmechanical strength of coil is increased.
DGVCL Exam Paper (11-12-2011) Permittivity is expressed in terms of N/m Weber /m Farad/m farad/sq. m. N/m Weber /m Farad/m farad/sq. m. ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Reactance relay is used to protect against Phase faults only Both phase and earth faults Over voltage faults Earth faults only Phase faults only Both phase and earth faults Over voltage faults Earth faults only ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The transient stability of a power system can be improved by Phase shifting transformer Increasing the turbine valve opening Excitation control Single pole switching of circuit breakers Phase shifting transformer Increasing the turbine valve opening Excitation control Single pole switching of circuit breakers ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Which lightning stroke is most dangerous? Direct stroke on ground wire Direct stoke on tower top Indirect stroke on conductor Direct stroke on line conductor Direct stroke on ground wire Direct stoke on tower top Indirect stroke on conductor Direct stroke on line conductor ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) People can interact with each other through any part of the world through video conferencing using Speaker Webcam Scanner Joystick Speaker Webcam Scanner Joystick ANSWER DOWNLOAD EXAMIANS APP
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