Answer / asm

principle of ultrasonic flowmeter is doppler effect where
as for radar flowmeter depents on electromagnetic radiation
emitted by source and recieved by detector.

Answer / mohammad rizwan

its work on sonar principal...
the working principal is.when the ultrasonic wave transmit from the transmitter.its travel down the surface.and reflect back to the transmitter receiver...and calculate the time taken...
it is also called TDR(TIME DOMAIN REFLECTOMETRY)system...

Answer / guest

the transceivers transmits sound signals and received it
exactly the same as the radar and that is how aviation radar
works

Answer / guest

the transceivers transmits sound signals and received it
exactly the same as the radar and that is how aviation radar
works

What is the difference between PLC and DCS?

3 Answers  

---

WHAT DO WE MEANT BY INSTRUMENT MAINTENANCE IN SOFTWARE SIDE.

1 Answers  

---

HI, can anybody give details about GAS TREATMENT PLANT CONSTRUCTION,as INSTRUMENTATION ENGINEER what are the responsibilites.what are the instruments mainly instrumentation engineer will deal with

0 Answers   GSM, IOCL,

---

give some question relative instrument fitter?

0 Answers   Armco,

---

what is the meaning of wet leg & where is it used?

1 Answers  

---

i have one temperature TX in my loop check time once i was remove elament temp gose maximum then i am conect corectly but still now temp showing maximum what can i do this problem?

2 Answers  

---

i want to control the temp of sand(welding flux) between the range of 150deg C to 170deg C. sugges me sum temp control method without PID controller.

1 Answers  

---

I have a orifice installed in plant which is design for 0~100 inH2O for 0~80MMSCFD, now due to process change the maximum flow is change to 120 MMSCFD so for this new process value what will be the DP across orifice.

1 Answers  

---

How can we calibrate the level interface for Fisher® FIELDVUE® DLC3000?if use water to calibrate and our liquid SG are 0.75 and 1 ,Displacer height=14" and How much should be set SG in trasmitter during calibrate,for URV and LRV how shold be set

1 Answers  

---

what is the responsibility of an instrument commissioning supervisor

0 Answers   Petrofac,

---

if we have 380 KVA DG. how to calculate Power Factor. With detailed formula

1 Answers  

---

how we can check level probe and controller

2 Answers  

---