Answer / career.murugavel

DELTA V DCS

Answer / ameyajoshi12

2500 io

While preparing the graphic diagrams trend display, 3 types of trends are prepared by Yokogawa system vender. These are for process variable, manipulated variable & set point variable. Why these 3 trends are required? Explain the purpose of these 3 trends.

1 Answers  

---

Specify ideal accuracy of flow element like orifice plate, Ventury, Annubar. Ultrasonic flow meter etc.

1 Answers  

---

What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?

1 Answers  

---

What is the live zero and dead zero

2 Answers   Samsung,

---

WHY WE NOT USE 2-20mA,1-20mA,3-20mA or 10-50mA SIGNAL? INSTEAD OF 4-20mA.

6 Answers   Hindustan Unilever Limited, Yashmun Engineers,

---

what is working principle of presure and temperature guage?

4 Answers  

---

please tell me what is a light up procedure of Cfbc boiler and what it's axuillaries of cfbc boiler?

1 Answers   Wartsila,

---

if tx. dp increase or decrese what happend in the reading

1 Answers   BSP,

---

pls suggest suitable MOC of diaphragm for pressure measurement of UREA grade solution service fluid.

0 Answers   Siemens,

---

If an Instrument has 550 ohm internal resistance and the cable used for that instrument is 0.5 ohm per meter resistance. If the voltage is 12volt.How much length cable can be used?

2 Answers  

---

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

1 Answers  

---

In instrumentation standard we use 4 to 20ma for transmission , why cant we use 3 to 19ma ?

1 Answers   NSH,

---