Answer / rcf

Usual megger tester once set to range already have value,
to check if the tester is OK, connect to tested equipment
the Ground probe then the other one to Earth. Reading must
be ZERO.

Answer / sarkars

If this is an insulation Megger tester,short both terminal momentarily for a short duration and check it's pointer shows zero or not.If it is zero then it is o.k. otherwise not.For checking correctness of Megger reading you have to compare with standard one.

Explain why the Voltage drop will happen in 3 Phase line?

3 Answers  

---

Why we are using air gap magnetic condutors

2 Answers   Ford, IOCL,

---

sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.

0 Answers  

---

Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?

0 Answers  

---

why do we use 25kv supply for traction purpose

1 Answers  

---

Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants?

0 Answers  

---

Why Earthin is not required in Xformer primary side when it is in Star / star?

2 Answers  

---

What are the limitations of Kirchoff's laws?

0 Answers  

---

Which one is easy to control AC or DC Machine?

2 Answers   BARC,

---

why do we lay up the core of a cable?

0 Answers  

---

what is the requirement of commutator in a universal motor?

3 Answers  

---

what are the methods of speed control of dc motor???

4 Answers  

---