| Other Instrumentation Interview Questions |
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|NAME ANY TWO PHOTO CONDUTIVE MATERIALS?
|why we use by pas on a positioner? When can a by pass be
not used on a positioner ?
Dear all... I have 1 0-400 duplex type RTD, I connected the
A side to the temperature indicator and B side to the PLC
panel, but when I have observed then found that The PLC side
temp has the variation. and it was distub to other RTD temp
also. so what can I do.pls help me
|What is the processor scan time of allen bradle control
logix processor 5555
|How does a redundant controller comes in line when the main
|What is two wire system and how it work
|in my plant 100% feedwater control v/v is air to close but
due to instrument air fail,the valve opens but instead of
drum level high its get tripped in low low drum level.the
urv of level tx is 0 and lrv is -800.pls tell me the reason.
for such behaviour.
|how ranges is decided for drum level or dearator level,in
my pplant i have seen for boiler drum range is -1000 to
1000mmwc, while for dearator -2000 to 0 mmwc ,why they
decided to take this range ?
|What is the Difference between CNC and PLC
|What is the formula to know the error of weighfeeder after
having drop test.
|what is the name of thermocople element cable from field to
|Why we used cage in control valve?
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