why to need a electrical earthing?

2 Answers  

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DG lube oil and waste oil how to dispose outside and there is any authorised vendors will be there for this.

2 Answers  

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what is the difference SCR & TRIAC?

13 Answers   TCS,

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How to Calculate Transformer Earthing Electrode Rod Size both Body and neutral Earthing ? Any Standard Formula? Please Suggted

0 Answers   EnPro,

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Which type starter is used for synchronous motor?

2 Answers   Equate,

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wat will be the pressure maintained inside the transformer?

2 Answers  

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How does an oscillator differ from an amplifier?

0 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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how does this job compare with others you have aplied for?

0 Answers  

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what are the types of starter ?

25 Answers   Andhra Sugars, Bhel, Eveready, HyFun Foods, Jindal, ME, Valeo Lighting Systems India Private Limited,

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need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

0 Answers  

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what is thermo stat, explain how its working?

1 Answers  

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