DGVCL Exam Paper (11-12-2011)
Buchholz relay causes

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

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

Capacitor start capacitor run motor
Universal motor
Split phase motor
Capacitor start motor

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
Distribution transformers have good all day efficiency due to

Low copper as well as iron loss
Low iron loss
Low copper loss
Low voltage

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP