what is interlock ckt? why it is necessary in industrial machines ?

2 Answers   IOCL,

---

Working principle of vibration sensor?, Type of vibration sensor? , Can we use vertical instead of horizental or vice versa?, if not Reasons?

2 Answers  

---

i want the equation of this question. Tranmitter range is 120 mmwc and dcs flow range is 1700 nm3/hr. if i want to change dcs range from 1700 to 2400 nm3/hr then how much dp i have to enter in transmitter

2 Answers   GMR,

---

What are different types of orifice plates?

0 Answers  

---

What is the difference between conductive lined pipe and conductive unlined pipe? Why do we see that?

0 Answers   Process Control Technologies,

---

what deference between panel earth and systemearth

0 Answers   Tecnimont,

---

why using negative supply for bentley nevada vibration system ?

0 Answers  

---

how do i calibrate mmwc pressure guage with out calibrator.if any? pls give me the ans.

1 Answers  

---

What is electronics?

6 Answers   ITC Infotech,

---

in i/o panel for digital ouput(do) how much power(in volts) we must give?

2 Answers  

---

What are the processes Variables?

4 Answers  

---

please send me the inteview questions in IOCL

0 Answers   IOCL,

---