How many loops are there in the power plant? how many closed & open loop in the power plant ? Please give me the exact clarification?

2 Answers   Lanco, Reliance,

---

Give me best instrumentation Books name..Ple...

6 Answers  

---

GIVE BRIEF DESCRIPTION ABOUT "DCS"

2 Answers  

---

Explain PID controller tuning & any one method used for it.

1 Answers   L&T, Oil India,

---

Explain the working principle of variable frequency drive?

0 Answers   ABB,

---

What is the relationship between the universal gravitational constant (G) and the acceleration due to gravity (g)?

3 Answers   APPSC,

---

What are the questions asked in fresher instrumentation candidates

0 Answers   Polmon,

---

i have used level transmitter in starch cooking preparation tank. tank total height 2mtr.sometime LT display shows some error value when tank is fully empty and diaphragm side i already checked okay no problem in diaphragm area. field cable checked 24volt and mA shows correct value while tank empty mA is 4mA. 4mA i needed that 0% but display showing 10% or 15% percentage values are varying continously please give any good solution for me.....

0 Answers  

---

What are the type of bonnets in the control valves?

0 Answers   CCIE,

---

what is the full formof HART

7 Answers  

---

what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?

0 Answers   NTPC, PSU,

---

It is desired to reduce effect of 50Hz pick up in a thermocouple measurement. If a third order LP filter is used for this, what should be its cut off frequency, if gain should be 0.001 at 50Hz.

1 Answers   Honeywell,

---