Answer / mayank nema

Inductive proximity sensors are used for non-contact detection of metallic objects. Their operating principle is based on a coil and oscillator that creates an electromagnetic field in the close surroundings of the sensing surface.

What is the difference between HMI and MMI?

16 Answers  

---

sir, give me placement papers and interview quistion of birla group company of copper.

0 Answers   Birla,

---

ON RADAR INTERFACE LEVEL TRANSMITTER IF DI-ELECRIC IS WRONG WITH CONTINIUS PROCESS THAN HOW CAN INDENTIFY OR HOW CAN I PUT NEW DI-ELECTRIC VALUE?(ROSEMOUNT-TDR-3300-COXIAL PROBE TYPE)

1 Answers   Chevron Phillips,

---

Why even multiple power supplu r used in instrumentation system?

1 Answers   Honeywell,

---

Coriolis flow meter coil supply is 24vdc but why still we given 230ac for this transmitter let me explained detailed review please

1 Answers   Shell,

---

i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......

0 Answers  

---

what are the on/off valve precaution?

1 Answers   Reliance,

---

plz send me general of ongc

0 Answers   ONGC,

---

Can anyone explain in a simple way the difference between DCS and PLC?

7 Answers   Honeywell,

---

I want measure the volumetric flow of gas in waste heat recovery Boiler?Tell me how and which type of instruments required. Plz mail me:naba02222@gmail.com Sam please post the answer .

0 Answers  

---

On drum level, why we are using air to close Control valve?

4 Answers   L&T,

---

1)What is the suitable MOC for flow meters working at temperature between 200 - 250 cen. 2)In which application the mass flow meters are not advisable 3)Is it advisable to use radiation type or radar type instrument for non contact application

1 Answers  

---