what is the working principle of contactor and conditions of normal open and normal close on it?

3 Answers   EEE,

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Why increase in current leads to increase in conductor temperature?

0 Answers  

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What are the factors which influence the choice of specific magnetic and electric loadings of a synchronous machine?

0 Answers  

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what is the reason of current flow in nutral although load is balanced (three phase equal current)

3 Answers  

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what is O.T?specify the acceptable range?

2 Answers  

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what is the meaning and full form of AYFY CABLE?

10 Answers   ABB, Cable Wireless, Ecom Associates, Tamboli Engineers,

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You are given 220 V supply source, four wires, an ammeter and voltmeter. There is no any indication or description on meters. How will you identify which is ammeter or voltmeter?

7 Answers   ABB,

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What is meant by control system?

0 Answers  

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if receiving voltage is higher than sending ones what will be the effect of receiver

4 Answers  

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What is nichols chart?

0 Answers  

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Is there any reason that a vertical motor can not be mounted horizontally ? I happen to have one and would like to use it horizontally to save money by not buying a new horizontal motor.

1 Answers  

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in transmission line, if the load is suddenly increased at the receiving end of the system the phase shift will (a)decrease (b)becomems zero (c)increase (d)not be affected

4 Answers   Getco,

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