what is Programmable logic controller?what is its importance and where itis used????

3 Answers  

---

hello sir, could u plz send me a sample placement paper for hpcl trainee engg exam..(electrical stream)...hoping to hear from u at the earliest

0 Answers  

---

WHAT IS THE DIFFERENCE BETWEEN STANDARD TCP/IP AND HP TCP/IP?

0 Answers  

---

What do you understand by leds? How do they work?

0 Answers  

---

what is the advantage of open drain, open collector of fet,bjt?

1 Answers  

---

---

what is the frequency band used for military applications?

1 Answers   BEL,

---

What is SCADA ? What are its main components ? How it works ? When we need a SCADA & where ? Is there any similarities and comparison b/w PLC & SCADA ? What are its Pros & Cons ? What are the faults that occur in it most ?

2 Answers  

---

full from of GSM?

10 Answers  

---

what is the h-parameter?

3 Answers   TATA,

---

How will you determine what frequency the device has without using oscilloscope?

0 Answers  

---

Why the single phase A.C motor taking more current than 3 phase A.C motor?

0 Answers   HCC,

---

what is the difference between the ss7 and ip,and why we go for ip structure over ss7

0 Answers  

---