Answer Posted / faiyaz ahmad

first open the equalizing and then close the isolation valve and open the vent valve both side and make it zero in this condition transmitter will show zero.

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

2145

---

Define the difference between a stable versus an unstable controlled system and some of the tools you might use to be able to detect when this is happening and assumptions used for control system application design that could contribute to instability

1838

---

How process line mpm calculation is done?

1416

---

Why rdt and thermocouple both give different output .and one things more, how to generate  ohm or mili volt  plz mail me merajalam143545@yahoo.com

2807

---

What is intrinsic safety mean.

1906

---

Give 2 application of quartz crystal used for process parameter measurement.

2017

---

Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?

1525

---

Why boiler chimney area  oxyden sensor fixing? 

2489

---

Where Can i take a SPI INtools training in Mumbai? In Rolta India Ltd to whom I should approach regarding of SPI INtools Training?

2783

---

State bernoulli’s application.

1144

---

what is orfics working in main steam line. is it increase pressure, velocity of steam flow and dicrease steam flow rate. or any other

2190

---

why fuse block is not used for AI signal?

1893

---

Explain about the leakage class of the control valves

1995

---

What is feed factor and its Importance in cement industry? How we can solve feed factor?.

3607

---

I am having a Phoenix digital to modbus converter. The o/p of the same is connected to flow computer FB407. But the digital signals are updated only after one minute in the flow computer. what may be the cause of delay in communication? Flow computer is having a scanning period of less than 1 sec.

1902

---