what are the sensor types of vibration&speed?n what is proximity sensor?

3 Answers  

---

List three types Level Transmitters with their working principles

1 Answers   ABB, Bapco Bahrain Petroleum Company,

---

How to ensure vibration sensor functioning accordingly.With out using an other sensor.

3 Answers   ACC, Oil India,

---

why full bore ball valve is not used in steam applications?

1 Answers  

---

any body please send me the old question papers of ongc test.

0 Answers   NTPC,

---

---

IS there any effect of vortex in low pressure side of the transmiter after the orific in feed water line? if yes then what is the calculation?

0 Answers  

---

how we can measure the interface level?is it possible to measure interface level with dp or pressure transmitter?

2 Answers  

---

what is the importance of CV in the control valves? how it is calculated?

0 Answers  

---

What is the absolute temperature

2 Answers  

---

In turbine, what does term CDP, NI, NH, HSSOC, means

0 Answers   ADMA OPCO,

---

how the transmitter send MA?

1 Answers  

---

which type of signal used in instrument?

3 Answers   Emco, Makson, Sail, TATA,

---