Answer / k.prakashchandra

PT-100 (RTD) measures temperature on the basis of variation
in resistance due to temperature and thermocouple is a
junction between two different metals that produces voltage
related to temperature difference ,for measurement of temp.

Earth Is a very good conductor or very good insulator.? If a good conductor then why current donot flow through small piece f earth and if a good insulator then why we use it as return path in lines.???

6 Answers   L&T,

---

What is the difference between AMF panel and DG Synchronization panel? please define the working of both the panels?

3 Answers   ABB, Power Grid,

---

what is saturation in transformer

9 Answers   Essar,

---

how freewheeling diode improves the powerfactor

0 Answers  

---

The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?

0 Answers   Ispat,

---

---

what do you call the last pole on a overhead line near a substation

2 Answers  

---

what are iron and copper losses

4 Answers  

---

What is the difference between Delta & Wye windings?

0 Answers  

---

how to do the ductor test?

0 Answers  

---

wat is the first thing dat is needed, 2 lay a cable in some area??

0 Answers  

---

Define ampere

0 Answers  

---

why the transformer primary and secondary windins vector groups vary? why it is something like Dy11 and not as Dy or Yy...

2 Answers  

---