Answer / himanshu amin

dp trasmitter is having range of few w/c. take example of
you want to calibrate 0-50 in h2o dp transmitter. connect
power supply and multimeter to connection point. connect
small hand pump to high side of dp transmitter. keep low
side of dp open to atmosphere. first check 4ma when both
connection are open to atmosphere. then connect hand pump
to high side and give 12.5, 25.0,37.5 & 50 in h20 and check
8,12,16,&20 ma o/p.

What is 3 element control system

0 Answers  

---

how can we tune a PID. If it is by zeiger nichols method..please explain briefly with help of an example.

0 Answers   KNPC,

---

What is instrumentation measurement?

0 Answers  

---

what is the reason while warning lamp is on while the engine is cranking?

0 Answers   Jindal,

---

plz send me placement paper of ongc

0 Answers   ONGC,

---

---

Difference b/w SCADA & DCS

8 Answers   Siemens,

---

Why Current(Ampere) is chosen as Fundamental Quanties not Charge(coulomb) ?

3 Answers  

---

How to calculate 47Liter H2 Gas cyilnder consumtion? Cylinder inlet Pressure is 200bar and Discharge pressure is 6.0bar. Flow is 100ml/min.For the above condition how many days one cylinder can be used?

1 Answers  

---

What is Integral and Derivative control?

5 Answers   Qatar Petroleums,

---

Technician A says the brake warning light is connected into both the parking and service brake systems. Technician B says the brake warning light will come ON only if the service brake system fails. Who is correct?

2 Answers  

---

What is the difference between Error and Offset.

1 Answers  

---

IF TX SHOWS SLOW RESPONSE, WHILE A CLOSE LOOP AND WHEN WE PUT THE CONTROLLER ON MANUAL THE PROBLEM RECTIFIED, SO WE CAN SAY THE PROBLEM IS IN

1 Answers   IFFCO,

---