Answer / venkatesh

For cu 1sqmm= 6A
For al 1sqmm=1.5A

Answer / jai ganesh

Why CU take 6A and Al takes 1.5?

to transmit 30kw of power at 30 km what is voltage required

2 Answers   Anglo Eastern, Merchant Navy, NPCIL,

---

what is resistor

9 Answers  

---

I want to know the standards for earthing system as per IEC, BIS & IEEE.

2 Answers  

---

what is harmonics?

1 Answers   powercom,

---

what is the difference between Miniature circuit breaker & motor control circuit breaker ?

4 Answers  

---

ON WHAT BASIS LOADS ARE CLASSIFIED AS RESISTIVE,INDUCTIVE AND CAPACITIVE LOADS?.GIVE PRACTICAL EXAMPLES FOR EACH

6 Answers  

---

why any inductive load need free wheeling diode?

4 Answers   Essar,

---

what types of fault occurred in transmission line ? which protection function senses the fault?

1 Answers  

---

Can a generator runs after getting 1st stator earth fault.

0 Answers  

---

why do we prefer VCB over OCB? what are the advantages of Vaccum Ckt. Breaker over Oil Ckt. Breaker?

2 Answers  

---

if single phase is 230 v three phase is 440 v then what about two phase?and why is it so?

2 Answers   Eicher,

---

how to find out speed of single phase motor

6 Answers   BARC,

---