difference between span and range

3 Answers   IOCL,

---

If an Instrument has 550 ohm internal resistance and the cable used for that instrument is 0.5 ohm per meter resistance. If the voltage is 12volt.How much length cable can be used?

2 Answers  

---

What are different types of orifice plates? State their uses.

0 Answers  

---

what is the pressure in the tank when its level of liquid is 1.5 meters when its total capacity is 2 meters

2 Answers   Engro,

---

Hai friends I have dought for O2 analyser how to working in boiler area. And what is the basic principles

2 Answers   Enmas,

---

Example of dry contacts & wet contacts?

3 Answers  

---

What is the difference between PLC-HMI and DCS as each function of DCS based system is possible in PLC ?

2 Answers   Lucky Cement,

---

what is meant by calibration

3 Answers  

---

what is plc? breif explain

3 Answers   APL,

---

how micro-processor and micro controller different from architecture

3 Answers   Bhushan Power Steel,

---

Which topics are covered in Process Control?

0 Answers   Honeywell, L&T,

---

How a conductivity sensor & analyzer work at boiler, whats the principle & science is beyond this,How conductivity sensor sence & convert signal & move toward analyzer & analyzer show reading in percent? also what is temperature compensate option in conductivity analyzer

0 Answers  

---