Answer / binu

We can use differential Pressure Transmitter for measuring
Flow, Level and Pressure in common. Just need to change
type of measurements. we can choose the units depending
upon the process requirements like mmH2o, mBar etc.

Answer / nirmalya basu

Basically transmitter transmits data which is sensed by our
sensors at the field in the standard form to any
controller.It would be 4 - 20ma, 3 - 15psig, .2 - 1kg/cm2, 0
- 10vdc.When this kind of transmitter is used transmit
pressure data then it is called pressure transmitter and
flow transmitter for flow, level transmitter for level etc.

i am going to attend ongc exam this coming june for Graduate Engineer Trainee post if anybody knows the question pattern or have experience plz share it with me

3 Answers   ONGC,

---

List three types Level Gauges with their working principles

0 Answers   ABB,

---

what r all the type of viberation measurement measuring in turbin? what's the output of viberation sensor?

2 Answers  

---

How to calibrate vertex flow meter? How to calibrate mass flow meter?

1 Answers   Chevron,

---

what is solenoid valve?

1 Answers  

---

The document / drawing that is primarily used in depicting the “Bill of Materials (BOM)” of piping system is the

2 Answers  

---

in my plant 100% feedwater control v/v is air to close but due to instrument air fail,the valve opens but instead of drum level high its get tripped in low low drum level.the urv of level tx is 0 and lrv is -800.pls tell me the reason. for such behaviour.

1 Answers   Sirpur Paper Mill,

---

Im having problems with interfase betwen SPI v7.0 and SPPID v5.05. Previous versions of Intools shoul be fixed with SPPIDproj.ocx file. It was necessary to replace this file with one that allows the connection between different versions of SPPID. It is necessary in the current version to do the same?Thanks

0 Answers  

---

components of control circuit belongs to control valve

0 Answers   KOC,

---

whats the diff b/w zero pressure and obsolute pressure

4 Answers  

---

What materials are used in thermo wells?

0 Answers  

---

What is difference of fanuc alpha series 16i and 18i controller.also what is differnce betn TC and MC controller

0 Answers  

---