why do you want leave the company

2 Answers  

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why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

0 Answers   Indcoil Transformers, Power Grid,

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what is the difference in using the 125% and the 250% factor of safety in calculating circuit breakers capacity for motors,which is more reliable to use the 125% or 250%??

1 Answers  

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10Hp, 3-phase, 415v, 50Hz induction motor. The above motor is to run on Star-Delta connection, so how do i make following hardware selection 1) MCB, 2) Contactor, 3) Wire Gage (Depending on P-P current or Line Current), 4) OLR, Please tell in detail how to do the above, so as to get the ans. of it even if the Hp rating changes.

1 Answers   Engro,

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How to take vector group test of a transformer? Suppose we dont know the vector group of transformer, how to check its vector group through test? I have 3 transformer DYn11 & DYno& Ynd11, how to confirm its vector group?

1 Answers  

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hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

0 Answers  

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What does the term “voltage regulation” means?

0 Answers  

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what is mean by hvdc transmission technology .what is principle of hvdc transmission and technic of hvddc transmission .

1 Answers  

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Zone of protection and tripping scheme of arc protection relay.

0 Answers   KSEB, L&T, Siemens,

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why ac supply neutral should earth not in dc (-)

2 Answers  

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WHAT IS THE DIFFERENCE BETWEEN AN ACB & mccb 7 WHAT IS THE CRITERIA WHEN TO USE WHICH OF THE TWO

0 Answers   Jk Tyres,

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how to find out this one mcb r mccb?

4 Answers   L&T,

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