Answer / shubhanand athalye

1)contactor current rating and duty (Eg AC-1,AC-3 etc)
should be suitable for load.
2) Contactor coil voltage shall be suitable / available.
3) contactor coil burden shall be minimum.

what do you mean by 1 ton in AC`s

36 Answers   Bhel, Bosch, ITC Infotech,

---

how many kw = one ton air condition?

2 Answers  

---

what is the function of breather in a transformer

29 Answers   Areva, Bhel, RKM Powergen, Vijai Electricals,

---

1.why is +1+1=+2 why cant it be +3 2.Why is +1*-1=-1 why cant it be something else 3.why are the hilly areas more cooler than the ordinary areas?

5 Answers   ThyssenKrupp,

---

What is the formula for calculating Transformer Losses & Efficiency. I want to compare the Transformer efficiency at different loading condition.

6 Answers   Rays Power Experts, Techser,

---

how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.

0 Answers   ONGC,

---

Write the Name of 7 Birsrestho of Bangladesh with their designation

1 Answers  

---

What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.

0 Answers  

---

what is the difference between the electrical and electronic choke?

1 Answers  

---

what is ideal transformer?

5 Answers  

---

what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?

0 Answers  

---

i) in which cases should we go for neutral and where should we go for ground? ii) in domestic supply we are getting 230v a.c.and what is the amount of current?

2 Answers  

---