Answer / raji g

if a spark take a path on the air that is called arc..
normally spark occurring time less than that of arc time

Answer / sanjay kumar shrivas

In both case the dielectric strength of the air gets break and because of that so many ions ll come into the picture... And those ions will provide a conducting path..thats why we use to see spark or arc..... But the difference between arc and spark is totaly related to the duration for which they are occuring...spark is for short time and arc is for long time

what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

0 Answers  

---

Explain about retrofitting of machine tool.

0 Answers  

---

A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State if the statement is true or false.

0 Answers   Blue Star,

---

HELLO SIR, IAM PREPARING HPCL EXAMS. SO PLS SEND MATERIAL OF HPCL ELECTRICAL ENG..TO VIJAY_8888@YMAIL.COM

0 Answers   HPCL,

---

can i use 4 number of circuit breaker as single phase manual change over switch? if yes then how plz also send ckt diagram at nazimzamurad@gmail.com

0 Answers  

---

---

Why can we connect the mobile charger both ways?

2 Answers  

---

what is the disaddvantages of high power factor

2 Answers  

---

There is two transformers of 2MVA & 3MVA, which transformer is located at the sending end & which is at receiving end. why?

3 Answers  

---

What is C-factor?why it is required to consider in fault short circuit calculations?

2 Answers  

---

What is the purpose of stablization resistor in high impedance bus bar protection

0 Answers   Jindal,

---

what is the function of turbo in dg sets

1 Answers  

---

What is difference between PVC cable & XLPE cable?

14 Answers   Intertek,

---