how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?

0 Answers   United Phosphorus,

---

how to calculate interface capelary level transmetar lower S.G.0.54 and uper S.G. 0.26 and h=490 mm

3 Answers  

---

Why do we use triad cable for RTD to Temp.transmitter connection? Why we don't use 3 core cable?

1 Answers   Process Control Technologies,

---

Describe how to calibrate various types of instruments and transmitters using ISA industrial consensus standard techniques.

4 Answers   Reliance,

---

HOW WE ARE DECIDING WHILE PROGRAMMING IN PID CONTROLLER THAT WE ARE USING HEATING OR COOLING???????

1 Answers   Eskom,

---

---

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 we use 4-20 mA to do calibration of the instruments.why we cant use 0-20 mA?

8 Answers   Emerson, IEM,

---

What are primary elements of measuring pressure?

0 Answers  

---

What is the Main principle and formula for the steam flow compensation?

2 Answers  

---

what are the values of fuel flow rate in various places in boiler.

0 Answers  

---

types of cable..? Use of every types of cable..?

0 Answers   Hindustan Zinc,

---

What is zone,loop/fire alarm system?

0 Answers   Emco,

---