DGVCL Exam Paper (11-12-2011) The positive and negative sequence impedance of a transmission line are Equal Different Infinite Zero Equal Different Infinite Zero ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) What happens to the contents of RAM (Random Access Memory) when the power of the computer is turned off? Content is transferred to other memory Content is lost Content gets corrupted Content remains intact Content is transferred to other memory Content is lost Content gets corrupted Content remains intact ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Reactance relay is used to protect against Phase faults only Over voltage faults Both phase and earth faults Earth faults only Phase faults only Over voltage faults Both phase and earth faults Earth faults only ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Buchholz relay causes Tripping for major faults and alarm for minor faults Tripping for both major and minor faults Alarm for both major and minor faults Tripping for minor faults and alarm for major faults Tripping for major faults and alarm for minor faults Tripping for both major and minor faults Alarm for both major and minor faults Tripping for minor faults and alarm for major faults ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Due to skin effect Portion of the conductor near the surface carries less current and the core of the conductor carries more current Portion of the conductor near the surface carries more current and the core of the conductor carries less current Uniform current flows through the conductor Current flows through the half cross section of the conductor Portion of the conductor near the surface carries less current and the core of the conductor carries more current Portion of the conductor near the surface carries more current and the core of the conductor carries less current Uniform current flows through the conductor Current flows through the half cross section of the conductor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Skin Effect:tendency of the current to crowd near the conductor surface.Skin effect is proportional to frequency, conductor diameter and permiability. Skin effect increases effective resistance of conductor.In DC, no skin effect.
DGVCL Exam Paper (11-12-2011) If a 5 A fuse is blown frequently in a house lighting circuit, it is required to Insert a fuse of higher current rating Insert a fuse of higher voltage rating Check the load Reduce the load Insert a fuse of higher current rating Insert a fuse of higher voltage rating Check the load Reduce the load ANSWER DOWNLOAD EXAMIANS APP
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