Answer Posted / dibyalochan sahoo

In automatic control system sensor is used to reduce the error.in manual control system user is responsible to reduce by observeving output.it is a close loop control system .in place of sensor here human is present.an open loop control system with human involvement called manual control system.

What is Alpha & Beta fctors related to Orifice Plate & its relation with flow?

3376

---

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

3590

---

What are advantages and disadvantage of the ac supply load cell?

1056

---

I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.

2353

---

What is sensitivity in vibration probes..?

1645

---

Differentiate between ultrasonic flowmeter and radar type flow meter

1217

---

why orfice is not used for main steam flow calculation

2128

---

steps for installing orifice plate?

1847

---

can we create an interrupt in plc through scada?

2375

---

the 3 most common transmitter protocol being in refinery or qatar gas and aramco.

2947

---

how can leve transmetter calibate in feild .and also put cv and flow plz .....

2244

---

what is the difference between profibus and controlnet networking.

3223

---

Explain why use mmwc unit?

1044

---

How is automatic reference junction compensation carried out in temperature recorders?

1094

---

what is thermo coupler and how it works

6086

---