DGVCL Exam Paper (12-06-2016)
Wave trap is used to trap waves of:

Higher frequencies entering generator or transformer units
Power frequencies
All of these
None of these

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DGVCL Exam Paper (12-06-2016)
You should choose Sleep option when

The computer is tired after working for the whole day.
When computer gets hanged frequently. Let it sleep for some time.
You are leaving for a very short time and want to resume your work shortly.
You finish working and are going to bed.

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