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 remains intact
Content gets corrupted
Content is lost
Content is transferred to other memory

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

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
The repeatability of the instrument

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

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

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