Answer / raghu h r

Its and (a) arc welding

Answer / guest

resistence

Can you used moeller lzm1 mccb in a dc system with 125vdc and 20ka short circuit current , beside is it have 24 or 48 volt shunt ? Beside how long current can through from An MCB shunt contacts? (like Z7-AS 24 V)?

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Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

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what is the pi test for current transformer?

1 Answers  

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Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks

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Why transformer use to generator neutral earthing purpose ?

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i have three phase 25kva transformer but there is two phase line how can i connect to the two phase line?

2 Answers  

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Why there is not any reactive power in DC although it causes magnetic field.

7 Answers  

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which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?

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I am applying for NTPC examination.Can we please provide previous paper to my mail prasad.chintala108340@gmail.com

0 Answers  

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Why NGR is provided in sub station?

4 Answers   MMS,

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What is auto reclose system in Circuit breakers

1 Answers  

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differentiate between c curve and d curve MCBS?

1 Answers  

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