How to select a contactor? How many types of contactors are available

0 Answers   TCS,

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Why Diffrential and Ref relays are used together although Diffrential relay can protect Pri and Sec of Transformer

1 Answers   Qatar Gas,

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what is formula for calculate thermal overload in new numiricalrelay( not in bimetal relay)?

0 Answers  

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i have old tape recorder speakers(analog).nw i want to use it for my computer system.can i use it to my computer systeno m by using digital to analog converter??? what changes should i do in the system????

0 Answers  

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Explain in details how you would react to an unexpected incident when your supervisor or manager is not around to give instructions?

1 Answers  

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WHAT IS SERVO MOTOR

1 Answers   Fluxys, Infosys,

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how to use single phase supply for a three phase equipement.

12 Answers  

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by what factor the starting current is used when comparing star and delta connection for motor starting?

0 Answers  

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What is the function of an exciter in a generator?

3 Answers  

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why the rating of dc generator is in kw where as rating of alternator is in kva?

3 Answers  

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avr is an automayic voltage regulator ... it regulates voltage before it synchronise with grid after synchronisation it regulates power factor why....

7 Answers  

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Dear Sir how much cable size required from 0.75 kw to 50 kw for electric motor or pump

1 Answers  

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