HOW TO CALCULATE ACCURACY OF AN INSTRUMENT. WHICH IS COMPITABLE FOR USE.

0 Answers   ABB, NTPC,

---

sir, give me placement papers and interview quistion of birla group company of copper.

0 Answers   Birla,

---

I am pujita completed Electronics and Instrumentation Engineering.As a fresher i am going to attend the interviews.Could anybody guide the topics/questions covered mostly in interviews.

11 Answers  

---

why use squareroot in flow measurment by dp transmitter?

4 Answers  

---

1. How many output signals do wew have in process control? 2. Could you write down the names of the pre-commissioning and commissioning stage test instruments and explain them (more than 5 items)? 3. What is the first step to commission a transmitter on service? 4. What is RTD? 5. Find the output value in MA of a temperature transmitter (RTD Type) at 120degree celius? 6. What is the O/P signal of a pneumatic transmitter? 7. What is the O/P signal of an elctronic transmitter? 8. What is the close loop and open loon?

4 Answers  

---

Drum level tx with GP4 with zero elevation:7300mmh20 on HP and 8050mmh2o on LP as range but on commissioning the tx readiing is max,Why this reading?

0 Answers  

---

describe yourself?

1 Answers   TCS,

---

how to rectify the problem ,if we erected the DPT instrument wrongly of hp on lp side and lp on hp side?

5 Answers  

---

In a gas over oil actuator, after the opening/closing of valve, how the gas is vented out? How does the hydraulic/gas circuit function?

0 Answers   Reliance,

---

How a conductivity sensor & analyzer work at boiler, whats the principle & science is beyond this,How conductivity sensor sence & convert signal & move toward analyzer & analyzer show reading in percent? also what is temperature compensate option in conductivity analyzer

0 Answers  

---

HOW TO CALIBRATE A PRESSURE SWITCH?

7 Answers  

---

what is the zero elevation and zero supresstion in level measurement, how can use it?

2 Answers   GAIL,

---