installation process of orifice,a question asked for confusion creation in interview by BARC 1.if orifice is tightly fitted with pipe ,it will act like venturi 2.if orifice is left hanging in between liquid it will not create the pressure difference exactly,

0 Answers   BARC,

---

defination of plc? why we use plc? application of plc? advantage of plc?

4 Answers  

---

What should be the main consideration while starting the Rotating compressor when we dont know the cut in and the cut off pressure setting of the pressure switch

0 Answers  

---

What are the questions asked in fresher instrumentation candidates

0 Answers   Polmon,

---

what are the steps to follow force a particular input or out put from ics triplex esd system?

1 Answers  

---

Before erect the instrument what should you do?

3 Answers   L&T,

---

How ejector(or)evactor air pump is working in thermal power plant?

0 Answers  

---

Steve said that "An eddy-current probe works by passing an alternating current through a coil of wire and measuring the coil’s impedance" while we are using -24 Volt DC , So I am confused about DC and AC. Plz .

2 Answers   Jindal, Sadara Chemicals,

---

Tell about your IFFCO plant visit.

0 Answers   L&T,

---

what is difference between RTD , thermo couple and thermistor in general ?? (except temperature co-efficient )

5 Answers   Bilt,

---

how to relay switch sense the fault?

0 Answers   ME,

---

How to calibrate the pressure Transmitters

1 Answers  

---