which has more heat effect(dc or ac)

4 Answers   CCEL, TATA,

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i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?

0 Answers  

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what efficiency at 70% loaded transformer

1 Answers   EEEC,

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How to calculate cable size between battery charger to Battery ?

2 Answers   L&T,

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What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.

0 Answers   Kirloskar,

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define briefly the function of an ac electric generator (alternator)?

1 Answers  

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How the soft starter control the starting current in three phase squirrel cage AC Motor?

1 Answers  

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Discuss the effect of sudden loading of an induction motor

0 Answers  

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what is the difference between main meter CT and check meter CT?and what is the difference between main meter PT and check meter PT?

2 Answers   Tesco,

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What do you mean by pf of a generator? Power factor purely depends on the load (wether inductive, reactive or unity) then what does the pf mentioned on the generator nameplate means?

3 Answers  

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what is the relation b/w KW and KWH? plz explain with example.

6 Answers   FAG,

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What should be the magnetic balance test values for a 3 phase delta/star connected single primary dual secondary winding transformer (90 MVA / 2 X 45 MVA TRANSFORMER)

0 Answers  

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