Answer / gajalakshmi

in earthing,there is no resistance.
in unearthed,there is a high resistance is connected to the
earthing.earthed,insulation is thinner.in
unearthed,insulation is thicker when compare to the earthe
system.

Answer / mittal boye

S. Dineshkumar, will you please try to learn english
first?? and than post your answers please. i am not able to
understand your fuking language. Dinesh

Answer / minal

In an earthed cable, the three phase of a cable are earthed
to a ground.Each of the phase of system is grounded to
earth.
Examples are 1.9/3.3 kv, 3.8/6.6 kv system
whereas, in an unearth system, the phases are not grounded
to earth .As a result of which there are chances of getting
shock by personnel who are operating it. Examples are:
6.6/6.6 kv, 3.3/3.3 kv system.

Answer / gautam

Gautam:
These are the two type of cable.
large cable have shielding of metal over cable to get good
mechnical strenth. some time this shielding has been earth.
when ever short ckt accurs between line and earth. it will
use to locet the fault by fault locater...

Iwould like to know barc interview questions

0 Answers   BARC,

---

Is there such a frequency as 440v 50Hz?

1 Answers  

---

if z transform lies in ROC then. a)system is stable b)inverse of system is stable c)both system and its inverse are stable.

1 Answers   CCP,

---

what are the types of towers in HT transmission

2 Answers  

---

What is difference between Sample test and Routine test in safety standard?

0 Answers   Chicony Electronics,

---

---

What are RMU yard Safety Operating Procedures

2 Answers  

---

what is dol starter

1 Answers  

---

what is the procedure for three phase motor differential relay testing can it do with single phase test kit?

1 Answers   ABB,

---

what does the transformer connection symbol YNaod1 mean ?

3 Answers  

---

Comment on the working principle of operation of a single-phase transformer.

0 Answers  

---

what is the function of LBB relay

9 Answers  

---

which has more heat effect(dc or ac)

4 Answers   CCEL, TATA,

---