Answer / faiyaz

Level sensor
Pressure sensor
Temperature sensor
Flow sensor

Answer / ami

1 capacitive
2 resistive

Answer / greenborhan

Actually there so many types of sensors used in instruments. But in industries we use mostly the following sensors...

1. Proximity Sensor
2. Light Sensor
3. Flame Sensor
4. Accelerometer Sensor
5. Magnetic Field Sensor
6. Temperature Sensor etc.........

greenborhan@gmail.com

what is IPS (instrument protective system)?

2 Answers  

---

what are the three main programming languages in plc

12 Answers  

---

why we use 24v dc in instrument rahter than 230vac????

4 Answers  

---

If a normal magnetic type flow transmitter that can measure flow, temperature and show this parameters on field, is it possible by any means to get this (flow and temperature) parameters info. On dcs? And if yes then with HART, FO communication or any other communication system?

1 Answers   Process Control Technologies,

---

why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

0 Answers   ONGC,

---

while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status?

0 Answers   Gasco,

---

In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.

0 Answers   India Cements,

---

can anyone tel the syllabus or previous year question paper for BHAVINI(EIE)2014.

0 Answers   Bhavini,

---

define SIMULATION a and what is the need of it

3 Answers   Siemens,

---

What is furnace draft control?

0 Answers  

---

How r the calculation of process line mpm.

0 Answers   Bhushan Power Steel,

---

what is preventive maintenance , explain with difination

1 Answers   Bapco Bahrain Petroleum Company,

---