Answer / qamar_alam

close loop means there is feedback.

Can SmartPlant Instrumentation be used in a concurrent engineering environment?

1 Answers  

---

control modes

1 Answers   Vedanta,

---

What is the difference between PLC and DCS?

3 Answers  

---

HOW TO CHECK THERMOCOUPLE AND RTD & WHAT IS THE DIFFERENCE BETWEEN THERMOCOUPLE AND RTD

14 Answers  

---

hi this is noor i wnt know the procedure and precations errection for PRESSURE AND DP transmitters? how to take impusle line for level and flow?(water and steam) impulse line sizes? and type of material ? plz give me answer / reffer any website ? to me "mail2noor.hyd@gmail.com"

1 Answers  

---

which one is best profibus or RS485 for communication?

2 Answers   Honeywell,

---

What output voltage the proximity switch shows when it is in open enviornment?

1 Answers  

---

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

1 Answers   Bapco Bahrain Petroleum Company, BMB,

---

what is the deferance between LCN and UCN.

1 Answers  

---

OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

0 Answers   Fauji Fertilizer, GSECL, NFL, Power Plant,

---

why using 4-20ma not using 0-20or why not using 1- 20ma???????

7 Answers  

---

How to check electrical health of Vibration probe?

1 Answers   QAFCO,

---