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if the neutral and ground of ups voltege are connected together in the source itslef then why the voltege b/w neutral and ground comes positive in some other destination inspite of having earth pit. how can we mimmise this?
MPL,
1 3060How vortex sensor used for steam flow measurment can be checked on line i.e without taking out from process line.
2140I want to know about DDCMIS in detail ? please explain it. Also give name of reference books in which it is explained in detail in very simple manner.
3830regarding level tx i would like to know how to select the range of the level transmitter in a closed drum(steam drum or deaerator)?
1 7146there is one orifice plate already installed on 3" line, but my previous engineer(who is not working here) removed that tx, but now i want to take it in to the process, so now what i have to do now? flow fluid is hytherm oil of temp. 260deg & pressure is 3bar.
2 5707hi this is noor i wnt know the procedure and precations errection for PRESSURE AND DP transmitters? how to take impusle line for level and flow?(water and steam) impulse line sizes? and type of material ? plz give me answer / reffer any website ? to me "mail2noor.hyd@gmail.com"
1 4021What is the basic principle of vibration measurement by BENTLY NEVADA vibration measurement system? and Why it gives the -ve voltage output?
14 135062i want know about capillary type LT transmitter installation. we can install any location in between to HP and LP leg?
2 10941Post New Instrumentation Questions
How will you test a transistor with a multimeter?
HOW TO CALCULATE ACCURACY OF AN INSTRUMENT. WHICH IS COMPITABLE FOR USE.
what is moisture probe? What are there types? What is there working principle and how they works? guys this is one of technical question I had ask in interview. If you know its answer please let me know. The interviewers were more interested in microwave moisture probe, so if you find its any link please just forward me on my mail id.avinash1200@gmail.com Thanks in advance.
Explain the working of an enraf level gauge.
what can of fault ofently come in vibration mesurement?
what is compensation? temprature & pressure
Where are oxygen analysers installed in cfbc boilers? What are their usual readings?
What are the type of bonnets in the control valves?
1. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?
How many ohms are required for proper earthing?
what is function of sensor, and how is it work , explain with difination
What is voltage regulator?
What is defferent betwen ESP &PCP PUMP .HOW IT IS WORK?
ORP sensor working principle?
what does it mean an active front end in vfd plz explain it briefly
