I need tnpsc AE Electrical question papers

2 Answers   TNPSC Tamil Nadu Public Service Commission,

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Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only.

12 Answers   ACC, JLL, ZETDC,

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Elaborate the term "rotating magnetic field"

2 Answers   APTransco,

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CAN CU XLPE/PVC CABLE BE USED INPLACE OF LOW NOISE SCREENED CABLE? KINDLY GIVE REASONS

0 Answers  

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Draw a SLD for main panel for school having connected load of 1200kw and emergency generator 200kw.also show the increase of additional load of chiller 225kw in the lv panel indicating meter postion size of transformer ,cables and capacitor bank.

0 Answers  

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Can I use star delta connected induction motor for dual supply voltage?

0 Answers  

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aternator every parts and its working

0 Answers   adag,

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in case dc we mark as + ve & -ve..but in case a.c. we mark as ph&N...Y LIKE PLZ TELL ME

4 Answers   NPTC, TCS,

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what are the alternator cooling system? how it is represented?

1 Answers  

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What is CCT (Correlated Color Temperature) ?

0 Answers  

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Why we use three phase world wide why not four phase or five phase being used?

8 Answers  

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what is the effect come when i changed the alternator exciter field winding DC palority(+ve & -ve)which is coming from AVR.

1 Answers   Wartsila,

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