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

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
The advantage of slipring induction motor over the squirrel cage induction motor is

It is suitable for higher speeds
It's power factor is higher
It can be started with the help of rotor resistances
It has a higher efficiency

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
A Mho relay is a

Voltage restrained directional relay
Directional restrained over voltage relay
Directional restrained over current relay
Voltage controlled over current relay

ANSWER DOWNLOAD EXAMIANS APP