ALL INSTRUMENTS WORKING PRINCIPLE.

3 Answers   Blanco, India Cements, TVS,

---

pls any1 sugges me book for plc,dcs & scada..

1 Answers  

---

In 16' pipeline one pcv is installed which is controlled by PT installed at inlet of PCV.If Flowrate in pipeline increases what will happen to pressure at the inlet of pcv.

5 Answers   Essar, vssc,

---

what is difference btween rotameter and orifice plate?

3 Answers  

---

What is the maximum distance limit of 4-20mA and 0-10V DC standard signal transmission ?

3 Answers   BARC, ME,

---

define feed forward control loop with example and drawing?

0 Answers   Honeywell,

---

Q1]IF THE RANGE FOR FLOW IS -35 TO 125 WHAT WILL BE THE SPAN FOR ABSOLUTE AND FOR NORMAL? Q2]HOW TO CALIBRATE CAPILLARY TYPE LT? Q3]HOW MANY ERROR CALCULATIONS ARE THERE USED IN PROCESS INDUSTRIES? Q4]HOW TO CALIBRATE TEMPERATURE TRANSMITTER? Q5] HOW TO CALIBRATE LEVEL TROLL AND HOW TO CONNECT? Q6]PLEASE TELL ME THE BASIC FOR INSTRUMENTATION WHICH IS APPLIED FOR CALIBRATION AND FOR ALL? PLEASE MAIL THE ANSWER TO honest_yes@yahoo.in

0 Answers   Cegelec, Honeywell,

---

what is the difference between servo valve & proportional valve

1 Answers  

---

what is the dp across a orifice plate & how much is permanent pressure across an orifice plate.

2 Answers   HPCL,

---

During the design and engineering of a process plant, a good designer should plan for ____________, ___________ and ____________ aspects of the plant

1 Answers  

---

what is the usage of QDV & VOLUME BOOSTER.

2 Answers   ADMA OPCO,

---

How to measure high frequency using thermistor

1 Answers   DRDO,

---