DGVCL Exam Paper (12-06-2016)
The main advantage of AC over DC is:

AC can be easily converted into DC by using a rectifier
AC is easy to maintain & can be easily distributed at long distances
Conversion flexibility from one voltage level to other
All of these

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

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

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DGVCL Exam Paper (12-06-2016)
GUVNL is:

Gujarat Urja Vikas Nikash Limited
None of these
Gujarat Urja Vikas Nigam Limited
Gujarat Urja Vyapar Nigam Limited

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