A pressure differential gauge type of instrument has a manifold with 2 isolation valves (hp and lp),2 vents(1 each for hp and lp) and 1 equalizing valve. Determine the position of each valve(either fully closed or fully open) when troboulshooting to: 1. zero the transmitter. 2. determine if there is a block in the impulse line. 3. determine if the gauge is functioning properly. The process fluid is water.

1 Answers  

---

HI, can anybody give details about GAS TREATMENT PLANT CONSTRUCTION,as INSTRUMENTATION ENGINEER what are the responsibilites.what are the instruments mainly instrumentation engineer will deal with

0 Answers   GSM, IOCL,

---

what is difference between PLC and DCS?

10 Answers  

---

why we are giving negative supply for vibration sensors?

3 Answers   Shell, Solex,

---

how far the two wire transmission (loop power) maximum distance suitable?

2 Answers   PCIL,

---

What is the working principle of Dozing valve used in cement industry?

1 Answers  

---

what is mass flow meter, working principle of mass flow meter and its installation.

2 Answers  

---

Explain Gas Turbine startup and shutdown sequences

0 Answers  

---

How do you calibration D.P transmitter? ?

2 Answers   Power Plant,

---

How to calibrate and check thermal mass flow meter of Make thermal instrument company inc model 60?

1 Answers   Wood Group,

---

What is mean by SMART in an Instrumentation. is any full form for SMART?

3 Answers  

---

what is function of PLC, and how is it work , explain with difination

1 Answers   Bapco Bahrain Petroleum Company,

---