Answer / sandip patel

The shrink/swell effect is caused by small pressure changes causing bubbles in the tubes to reduce (shrink) or increase (swell) as a result of small changes in pressure - so that the mixture of steam and water in the tubes remains at the saturation temperature for the pressure at each location

What is difference between Isolator and Barrier ?

1 Answers  

---

Why are the uses 24vdc in industries

0 Answers  

---

what is thermo coupler and how it works

2 Answers   Tisco,

---

How to carry out hot loop checking of closed loop pf temperature control valve & temperature transmitter?

2 Answers  

---

please give me the syllabus and sample questions if possible for Instrumentation for Vizag Steel plant MT (Trainee) 2009 exam

1 Answers   Pedvak, Steel Plant, Vizag Steel,

---

Why the ammonia and Nitric Acid level indicators is with millimeter ? and What is the conversion form millimeters that level indicator indicate to weight ?

0 Answers   EHC,

---

Boiler flame scanner advantage?

0 Answers   Fluke, Petrochemicals, Tata Chemicals,

---

What is basic of instrumentation

8 Answers  

---

what is the procedure to isolate flow a transmitter and flushing it?

8 Answers   Petrofac,

---

What properties or parameters to be taken into consideration for protection while selection of Dcs controller.

1 Answers   JPL,

---

Using your own examples solve a problem involving normal table. (experimental method and analysis)

0 Answers  

---

in a electronic controller why we are using 250 ohm resistance in input signal?is i/p is necessary in control valve when we are using electronic controller give details?

3 Answers   IOCL,

---