Answer / vinoth.s

Turndown RATIO= MAXIMUM ALLOWABLE VALUE/ MINIMUM CONTROLABLE
VALUE.... SIMPLY DIVIDING THE UPPER RANGE/ LWER RANGE

which is the best type to measure level of a Tank(water). Displacer or Differential Pressure method?

2 Answers  

---

sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

2 Answers   BARC,

---

What are the different modes of a contollogix family processor? How they work?

3 Answers   Honeywell, Siemens,

---

How many are the types of instrument cables in terms of No. of pair.

0 Answers   CCIE, Samsung,

---

What is difference between “Fault Tolerant” & “Fault avoidance” PLC? Application where these system s are used?

0 Answers  

---

what is vfd(variable frequency drive)?type of vfd.

2 Answers  

---

we have LPG spherical Tank and we want to install DP Xmtr for level measurement.below are the physical measurements Total height of tank is 1850 mtr but 0% level is 1000mm above bottom and 100% level is 450 below upper side.What is the LRV and URV and please mention the formula .The SG of LPG is 0.53 and Wet Leg method will be used.

7 Answers  

---

What is an analog input-output

10 Answers   TN, Torrent Pharma,

---

can any send me a forbes marshall dtron 316 manual

0 Answers  

---

suppose, after calibrating a transmitter we fixed it in a process line. At live zero condition the Tx shows 4.5 mA. what should we do to make the Tx show 4 mA? If we adjust zero, will it not affect the calibration?

4 Answers   ABG Shipyard,

---

Why is a dead weight tester so called by that name?

1 Answers   SGS,

---

Is there any temperature compenasation for the air flow from FD fan & SA fans which supplies air to the Boiler?

2 Answers  

---