Answer / dhankhandhar@ymail.com

We can never generate DC voltage ,we can only change AC to DC ,so no matter you are giving AC or DC input but Addy current will be always AC.

Answer / niraj

We are giving 24V DC to Vibration probe is having driver circuitry which will generate AC signal for eddy current

Could anybody pls give ans of boiler 3 element control system?

5 Answers   Qatar Petroleums,

---

How to decrease opening & closing time of on/off valve?

0 Answers   UPL,

---

i have calibrate rosemount make level transmitter , wht can i do ? my tank capacity is 30,000 liter

9 Answers   Equate,

---

what are the standards used for earthing instruments in the field?

1 Answers  

---

what is Green field /brown field exposure in chemicals /oil /petrochemicals /refineries /paints /speciality chemicals /gas /FMCG /glass industry

1 Answers  

---

Identification of control valve parts.

0 Answers   CCIE, Oil and Gas Jobs,

---

what is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

0 Answers   ADMA OPCO,

---

how to calibrate transmitter

3 Answers   Sabic,

---

what is the Difference Between Domain and Station?

3 Answers   Emerson,

---

EXPLAIN PROPOTIONAL INTEGRAL DERIVATIVE CONTROL ACTION?

1 Answers  

---

How to convert 4 wire level transmitter connection to 2 wire.

2 Answers  

---

What are the uses of orifice plates?

0 Answers  

---