Answer Posted / nishant

Yes

in which principle pressure tx,level tx ,flow tx,temp tx ,control valve works?

3149

---

I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.

2250

---

NPN transistor, SCR, Zener diode, LED, Varactor diode, Vortex meter, RTD, Resistor, Crystal

2177

---

Questions on flow meters,few questions on HART protocol,

1979

---

why using negative supply for bentley nevada vibration system ?

2128

---

What is difference between differential pressure & delta pressure?

1071

---

SOME OF YOUR QUESTIONS ARE NOT MAKING ANY SENSE SO TRY AND PUT IN A LITTLE BIT MORE EFFORT BEFORE YOU POST A QUESTION. WE WILL ONLY HELP THOSE WHO WE CAN SEE ARE TRYING TO HELP THEMSELVES.

2344

---

Explain the burnout feature.

959

---

what effects a surging can produce in the compressor

1907

---

Why plc require in analog input 4-20amp & 0-10 volt?

1119

---

what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

1747

---

Definition of reverse and acting controllers:

2299

---

Explain the difference between plc and cnc?

1052

---

give me all the details about the interview and which type of question being asked

2204

---

Explain the combusion chamber

2002

---