how to test an MCB

2 Answers  

---

Brushed alternator is also called dc generator ? its true or false ?explain it ?

5 Answers  

---

how to calculate the bus bar current rating

2 Answers  

---

If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.

0 Answers   Usha Capacitors,

---

what the good value of earth resistance test

3 Answers  

---

How to find earthfault location in long cable layed underground or outside.

3 Answers  

---

Hoe do calculate the Cable size for Amps rating ?

0 Answers  

---

what is the difference between inverter and ups & what is the earth resistance for ups , if its high why so

3 Answers  

---

now-a-days which devices are using for converter

7 Answers  

---

Is electro plating what type of load whether resistive, inductive or capacitive loads

0 Answers   Apollo,

---

what is mean impedance?

7 Answers   ONGC, Wipro,

---

what is the use of piston rings in the engine used for a generator...........

0 Answers  

---