on which principle control valve works?
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What is motion balance principle?
Instrumentation symbols interpration, P& ID, Logic diagram analysis, Electrical drawing analysis.
selection criteria of control valve? and selection criteria of actuator explain in brief?
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ORP sensor working principle?
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.
give eg of how I/P is used in control loops
installation process of orifice,a question asked for confusion creation in interview by BARC 1.if orifice is tightly fitted with pipe ,it will act like venturi 2.if orifice is left hanging in between liquid it will not create the pressure difference exactly,
What is the right procedure for adjusting the gap voltage of bently nevada vibration sensor?
why we r opening HOT BYPASS valve during startup of a compressor?
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Galvanizing.
I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann
Speedtronic system .
please send data bank of quetions answers on analytical instrumentation.
