whats diffeence between dcs & scada operation.

3 Answers   Orchid, Reliance,

---

How to calibrate DP transmitter by using HART communicator ?

1 Answers  

---

How a oxygen sensor & analyzer work at boiler or furnace, what’s the principle & science is beyond this, How O2 sensor scene & convert signal & move toward analyzer & analyzer show reading in percent?

1 Answers   GS Engineering Construction, KNIC,

---

Speedtronic system .

0 Answers   CCIE,

---

what is interface level measurement.who can calibrate interface level measurement transmitter online

0 Answers  

---

---

Paper Details: company -- Hindustan Copper Limited post -- GET 2008 Date -- 03.08.2008 Dept.-- Electronics?Instrumentation Aptitude -- 70 Technical-- 80 Total Time -- 2hr 30min I have listed the question I could able to remember 1. BCD equivalent of 43 2. value of K for stability of a system from a given equation 3. transformer connection for darlington connection 4. damping of balastic galvanometer 5. advantage of chart-pen recorder over CRo 6. CRO - how to change bandwidth 7. questions on CRO construction 8. reverse saturation current of si diode 9. advantage of wire wound resistance over carbon resistance 10. core material for a small coil 11. max fanout-- TTL/ECL/CMOS/MOS 12. component of resistance of monolithic IC 13. functions of capacitors in multivibrators 14. to change a sawtooth signal into a square wave we use-- schmit trigger/ schottkey diode/ zener diode 15. relation b/w á & â in transistor ckt 16. function of SiO2 layer in fabrication 17. 3 questions on ODD MAN OUT

2 Answers   HCL, L&T,

---

when placing a vent or drain hole on an orifice plate should you measure from the center of the bore up or down for the vent placement?

0 Answers  

---

how does we do bench calibration of a differential transmitter.

1 Answers  

---

IF I WANT TO BUY A THERMOCOUPLE THEN WITCH PARAMETER I LOOK

1 Answers  

---

What is the SCAN time of a DCS/PLC? What is the typical value for scan time of DCS and PLC?

6 Answers   Essar, Gasco, Siemens,

---

what is a boiler tube leakage detector? ... what is the working principle ?

1 Answers  

---

how flame detectors sense the flame.

3 Answers  

---