What is the difference between HMI and SCADA?

2 Answers  

---

What s PDS & PDMS tools ?its role in instrumentation?

1 Answers  

---

WHAT IS A CALLIBRATION? WHAT IS MEEAN BY LOOP CHECKING INCLUDES PRESURE, THERMOCOUPLE,TT,DT?

5 Answers  

---

I have a problem with a valve (air to close). When it is fully closed and try to open 1% it doesn't responce till 3% open suddenly more than 3% then back to 3%. I tried to tune positioner then removed it, the problem still exist. Any idea

3 Answers  

---

Q- Control problem are mainly classified in _____ types. a-)4 b-)3 c-)6 d-)nono of these Few of them i know is 1- regulator type problem (eg- Air conditioner) 2- tracking problem (eg missile trcking problem) 3- sybernatics 4- optimal control problem

0 Answers   Sail,

---

What is the working principle of sox, nox analyzer?(opacity monitor) Otherwise how to measure the sox,nox?

1 Answers   Thermax,

---

why is the sleeve of the cable used for?

2 Answers   Jindal,

---

what is type of protocol used in instrument field to marshalling cabinet cabel. what is the differenance between bus cabel and instrument cabel?

1 Answers   Samsung,

---

what is meant by nuclear collector?

0 Answers  

---

NSV type probe stands for

0 Answers   Qatar Petroleums,

---

why we are using perforted cable tray for control cable and ladder tray for power cable

1 Answers  

---

How do we MEASURE OR CALCULATE VELOCITY used to calculate REYNOLDS NUMBER??

3 Answers  

---