Answer / ayaz

there are two type of vibration measuring 
1 seismic vibration measuring : in seismic vibration is measure the device body monitoring structure
2 prob vibration : prob vibration is measure the device shaft coupling etc
there are two type of prob axial and radial axial use in parallel of shaft and radial use center of the shaft 

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,

---

how to check control valve was passing?how to check online?

3 Answers  

---

testing of thermo-couple?

3 Answers  

---

Give an example where you had aproblem on the job, and tell me how you solved the problem. and the finalvoutcome.

0 Answers   American Steel,

---

wht is dcs architecture ? can u give example?

3 Answers  

---

What is input and output of plc & dcs

2 Answers  

---

what is maxdna ?. explain about the software details.

0 Answers  

---

Why 4mA-20mA current loop selected as standard ???

1 Answers   IMCO, Reliance,

---

Which wiring connection is preferred in motor for industrial use?

2 Answers  

---

Can all intrinsic safe transmitters are provided with inbuilt zener barriers? why

2 Answers  

---

What is the GK Value in Flowmeter?

0 Answers   IBPIL, Thermax,

---

the 3 most common transmitter protocol being in refinery or qatar gas and aramco.

0 Answers   Shell,

---