Answer / parth

sourcing provides current whereas sinking fetches current.

Answer / faiyaz ahmad

Sinking means signal is coming from the I/O means input out put cards
source means signal is going from the card means input and out put card.

can any one pl explain me in brief that how we select the leakage classification in valve,means for liquid or gas there is any standard for selecting leakage classification or its depend upon valve size or any any other parameter.

3 Answers  

---

I want to measure and control level in tank of size 10*5 filled with gasoline, so plz give me the solution with clear details. how to select transmitter and sensors.

0 Answers  

---

what should he know if he is an assitent engineer instrumentation in cement industries of experience of 10 - 15 year.

0 Answers  

---

How will you select suitable Instrument for Process line/Tank/Vessel?

5 Answers  

---

what happens if we are having very very high cavity and flashing in a control valve..??? is it stops working...immediately... or eroded...slowly

2 Answers  

---

1.what is controller proportional gain 2.what is the controller intergral action time. 3.A proportional plus derivative controller that has a proportional band of 20% and a derivative action time of 0.1 minutes. Construct the shape of the output waveform for the triangular input if the input rises and falls at the rate of 4 units per minute.

0 Answers  

---

what do you mean by smart instruments ? define ? give an example?

2 Answers   Flour Tech Engineers (P) Ltd,

---

What is the difference bitween control net scaner and device net scaner

0 Answers   Binani,

---

how to make a calliberation for deffirential pressure

3 Answers  

---

Briefly describe instrumentation job

1 Answers  

---

How can I map a tank?  Tank 15m h and 42m dia. we just fixed radar type lit. its reading shows over range. Now its required mapping ?

1 Answers   CMC,

---

A pressure differential gauge type of instrument has a manifold with 2 isolation valves (hp and lp),2 vents(1 each for hp and lp) and 1 equalizing valve. Determine the position of each valve(either fully closed or fully open) when troboulshooting to: 1. zero the transmitter. 2. determine if there is a block in the impulse line. 3. determine if the gauge is functioning properly. The process fluid is water.

1 Answers  

---