Answer / nmv

Emergency shut down

what is protonics how it is differ from electronics

1 Answers  

---

how to commission furnace ( water heater)

0 Answers   Petrofac,

---

How much should be the values and/or percentages of these given below factors for a good controller ? Steady state error Delay Rise Time Overshoot Peak Time Settling Time Damping Oscillations & vibrations thanks

1 Answers  

---

I HAVE PRESSURE TRANSMITTER WITH TWO WIRES 24 VOLTS SUPPLY.IF TRANSMITTER WILL GIVE SIGNAL TO THE DCS WHAT HAPPEN TO THE 24 VOLTS POWER SUPPLY IT WILL DROP OR REMAIN TO 24 VOLTS POWER SUPPLY.

3 Answers  

---

What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

0 Answers  

---

---

can any one tell leakage class in control valve depend on which parameter and there is any specific table or chart for selection of valve leakage class

2 Answers  

---

A DP Endress and Hauser flow transmitter is always tripping pump at low flow. set point is 74 cubic meter/hr. Thorough impulse line flushing and zero calibration has been done, yet problem persists. What do you think is the problem and how do you rectify this fault?

5 Answers  

---

which type of signal used in instrument?

3 Answers   Emco, Makson, Sail, TATA,

---

Can anyone say that formula of Converting the Diff. Pressure into Flow in Kg/Cm2 or any explaniation of Orifice Plate, Beta Ratio , How to calculate

1 Answers  

---

List three types Level Gauges with their working principles

0 Answers   ABB,

---

what will be the output of the temparature transmitter if temp is 120 degre celcius.

1 Answers   Base Automation, NTPC, PDO,

---

EXPLAIN NETWORK COMMUNICATION ON DCS?

0 Answers  

---