canu tell me why 4-20 ma and why not this 3-25ma?please
give reason of this value.

Answer Posted / ravi kiran

After observation of current functioning engineers finalized
that at 4-20ma the current is having linear and constant
properties. Below 3ma and above 25ma the current properties
are different.

Is This Answer Correct ?    1 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

PLEASE PROVIDE SAMPLES OF CHEVRON SKILL TESTS

3461


What is ultrasonic flowmeter?

636


List three types Level Switches with their working principles

1623


I will attend an interview with GasGas company for a position of Instrument Technician ( Offshore )in next month can anyone tell me what questions they will ask. Thanks in advance.

1647


Where are oxygen analysers installed in cfbc boilers? What are their usual readings?

1123






Q-Explain the different load conditions that will produced different offset which may or may not be acceptable to thhe control function

1739


What is the reason PT speed not incresed in gas turbine?

1908


Hi i am aneesh, done btech in applied electronics & instrumentatiin. And then i took mba in finance & marketing.After that i got placement in finance co and worked there for 3.5 yrs.Now i wanted to come back to engineering job.But without engg experience, i may not able to find an opening.i have done a course related to flow meters and ite calibrations. Kindly suggest where should i try to get a job?

1535


please tel me the calibration of pneumatic controler.

1727


Which is the best field foundation bus. ( FF ) Yokogawa, Honeywell or others ?

1348


I want measure the volumetric flow of gas in waste heat recovery Boiler?Tell me how and which type of instruments required. Plz mail me:naba02222@gmail.com Sam please post the answer .

1559


Explain PID controller tuning & any one method used for it.

7000


What are the application of bernoulli’s theorem?

684


how will you check torque value during Factory acceptance Test for control valve/ESD ON/OFF VALE how will you confirm this torque value is being correct, Which document will you be refer.

2015


describe flow nozzel principle?

2077