DGVCL Exam Paper (11-12-2011)
Under operating conditions, the secondary of a current transformer is always short ciruited because

It protects the secondary ciruits
It protects the primary ciruits
It is safe to human beings
It avoids core saturation and high voltage induction

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
Two parallel conductors are carrying the current in the same direction. Which of the following statements is correct?

The force increases when the distance between the conductors is increased
There is a repelling force between the conductors
The force increases when the distance between the conductors is decreased
There is an attracting force between the conductors

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
A fuse wire should have

Low specific resistance and low melting point
Low specific resistance and high melting point
High specific resistance and low melting point
High specific resistance and high melting point

ANSWER DOWNLOAD EXAMIANS APP