DGVCL Exam Paper (11-12-2011)
Hysteresis in an instrument means

The repeatability of the instrument
The reliability of the instrument
The change in the same reading when the input is first increased and then decreased
The inaccuracy due to change in temperature

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?

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

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
The purpose of embedding the damper winding in the pole face of a synchronous motor is to

Eliminate hunting and provide adequate starting torque
Eliminate losses on account of fair friction
Reduce winding losses
Reduce bearing friction

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP