What is vacuum circuit breaker.define with cause and where be use it device?

0 Answers  

---

inductance and capacitance may result in periodic reversals of the direction of energy flow,how???

1 Answers  

---

Hello, im taking an introduction to PLC..and i'm having a hard time on creating a program for 2 lamps blinking alternately with this button characteristics: 1.) One push button (starts upon pressing) 2.) Same push button (when pressed again, will pause the system) 3.) Same push button (when pressed again, will continue the paused system) 4.) Same push button (when pressed within 2 seconds, will shut off the system) Pls..i know this is just a simple problem for you guys..

2 Answers  

---

how is working d.c amps meter?how to connect the dc ammeter inthe circuite?

2 Answers  

---

Advantage of LT panel vs HT panel

0 Answers  

---

---

When VFD is connected to a 3 phase main supply there is load current difference between incomer to VFD and outgoing from VFD.

1 Answers   Shasun Chemicals,

---

Why are the voltage levels in a powersystem are 11KV,33KV etc., why not 10KV,30KV?

2 Answers  

---

The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is

0 Answers   Caterpillar,

---

what is the difference between megger and earth resister ??

0 Answers   HMPL,

---

How Can you do Maintenance of ACB of 2000Amperes

0 Answers   TATA,

---

In Ferantti Effect Receiving end voltage is greater than sending end voltage but how it is possible. I know its all about charging current but give me some more detailed explaination?

3 Answers  

---

List out the the types of Mounting Light fixture?

0 Answers   HLL,

---