DGVCL Exam Paper (11-12-2011) The corona effect can be minimized by increasing The length of the conductor Both spacing between the conductors and diameter of the conductor Spacing between the conductors Diameter of the conductor The length of the conductor Both spacing between the conductors and diameter of the conductor Spacing between the conductors 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) Transposition of transmission line is done to Reduce skin effect Reduce corona Reduce line loss Balance line voltage drop Reduce skin effect Reduce corona Reduce line loss Balance line voltage drop ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A fuse is inserted in Earth continuity conductor Neutral wire Both phased and neutral wire Phase wire Earth continuity conductor Neutral wire Both phased and neutral wire Phase wire ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Rated making capacity of a ciruit breaker is equal to 1.11 X rated symmetrical breaking capacity √2 X rated symmetrical breaking capacity Rated symmetrical breaking capacity 2.55 X rated symmetrical breaking capacity 1.11 X rated symmetrical breaking capacity √2 X rated symmetrical breaking capacity Rated symmetrical breaking capacity 2.55 X rated symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The advantage of slipring induction motor over the squirrel cage induction motor is It can be started with the help of rotor resistances It is suitable for higher speeds It's power factor is higher It has a higher efficiency It can be started with the help of rotor resistances It is suitable for higher speeds It's power factor is higher It has a higher efficiency 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) The picture on the monitor of a computer is made up of tiny coloured dots called Spots Pixels Icons Points Spots Pixels Icons Points ANSWER DOWNLOAD EXAMIANS APP
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