Answer Posted / abbas

1.mechanical methods(expansion of materials,pyrometers)
2.electrical methods( rtd,tc,thermistors)

I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

1795

---

What is the difference between uv and ir scanners? and what is the workig principle of both

2371

---

There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?

1964

---

Why thermo wells are used? What materials are used in thermo wells?

1119

---

State four different types of flow measurement, for gas flow measurement MMSCFD is the common unit expand the unit and specify significance of word S in the unit.

2043

---

What is instrumentation control?

1163

---

Explain the working of an electronic level troll.

1096

---

what are the steps I have to deal with?

2247

---

Regarding , there is an air cooler which control the fans(50% of AV FANS) by temperature in outlet , and the louver of Air cooler is controlled by HIC from control system , So if on Air cooler we will consider 2 individual I/P converter or positioner?

1764

---

Why do you want to work here

2333

---

Name different parts of a pressure gauge.

1130

---

can u briefly explain aboutan aryton shunt multirange DC ammeter?

2743

---

what is Best Among SINK Or SOURCE Type Design In Digital Signal, Either Iput Or Output? WHY?Can any one..

2156

---

What is the purpose of LO Overhead tank in turbines.

2008

---

what is performance test.need defination

1716

---