Answer / balakrishnan.t

to avoid any induced emf in the inner cable by lighting or through other means the outer shield or armouring is ussually earthed this is called earthed cable and cable without this is called unearthed cable.

Answer / kiran

Safty of the Equipment.which is the connected Earth Cable
power is not passed the Equipment.

In a 3 pin plug holder, what is the purpose of diameter of ground pin is larger than phase and nutral pin

9 Answers   Coal India, HCL,

---

how to select battery for 15 KVA UPS with formula

0 Answers  

---

what is megar healthy value for ht &lt cables

2 Answers  

---

What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?

0 Answers  

---

how single phase preventer works ?

0 Answers  

---

what is ripple ??? what is harmonics ?

3 Answers   ABB,

---

why the carbon brushes are used heat created rotating parts in eiectricity

1 Answers  

---

what is difference between c-power & u-power air circuit breaker?

2 Answers   Areva, IIT, Marine Electricals,

---

we done magnetic balance test for 33KV /440V transformer in our company , but the ratio out is confusing us Voltage applied in RY = 440 , at RB = 320 and YB = 60 RY 440 = ( RB + YB ) 380 only Please let me know what type of problem is it.

2 Answers  

---

We know flow of electron is current . But why electron flow from negative to positive and current from positive to negative?

4 Answers   Power Grid,

---

how can we select the appropriate VCB ?

0 Answers   Reliance,

---

What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

0 Answers   AFG, Afghan Telecom, GE, IBM, SECL, Sun Pharma, TNPL,

---