Answer Posted / tang
Because we want to know the "life zero".
Life zero is a condition where there's a signal when the process is at 0%. For an example if we use 0mA instead of 4mA, we might don't know either the process is really 0% or the measuring unit is faulty(that will also indicate 0mA).
| Is This Answer Correct ? | 17 Yes | 0 No |
Post New Answer View All Answers
In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.
defination of radial vibration?
What is zener diode? What is voltage regulator?
steps for installing orifice plate?
How to calibrate RC Feeder system in thermal power station?,If any instrument available to calibrate it,ple inform me. make:stock,
How to Calibrate Vibration Probe (Axial, Redial) in field
what is The specifications for oriface instalation
What are different types of orifice plates? State their uses.
I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.
what is a vortex flow meter,mass flow meter and electromagnetic flow meter.particular use of this.means in which condition particular meter is used.
please send me some question papers of HPCL aptitude test ?? please send it to bipinb.28@gmail.com ...
KAlman filter code for two dimension?
How an rtd work, and what volts/current goes to a rtd to measure the resistance?
how to change measuring units from mmwc to cubm/h in rosemount air flow transmitter with hart communicator fluke 744
Sir , i have completed my M.Sc In Instrumentation and presently working in Maintenance department 3 yrs Exp , is there is any possible for work in offshore ..