Answer / sagar upadhyay

Underground cables containing several layers of protection
over them

Answer / gagandeep sethi

in a cable diffrent layers bt which cable has a layer of
iron or other metal strips that cable says armourd cable nd
a in a armd cable some tym armd used as a earth wire

I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.

0 Answers   Power Grid,

---

what is diffential relay? testing proceure?and transformer reach Over load thet time differencilal relay operate or not ?

5 Answers  

---

what is the difference between LLL and LLLG fault ?

1 Answers  

---

why the earth pin is thicker than other pins in a plug? If it is for reducing resistance, then why the copper earth wire is not so thick as earth pin of socket?

5 Answers   Omax,

---

what is meant by impedance & transient protection?

0 Answers  

---

can we do the star delta connection of capacitor for 3- phase motor starter.

0 Answers  

---

what is rated current and operating current?

3 Answers  

---

What is the meter used to check the DG sound level.and pollution check

2 Answers  

---

What is the difference between earthing & neutral.

2 Answers  

---

DGs fuel and lube oil filters are not equal to one another.Why it is so.For example one MTU enginee fuel filter is one and lube oil filter-02nos other DGs are more.Please explain

1 Answers  

---

how to get more than 1000 ohms between 2 earth pits ?

2 Answers   HCL,

---

what percent do you derate your copper wire when you change from copper buss to copper wire

0 Answers   Gerdau,

---