| Other Instrumentation Interview Questions |
|| Asked @
|what is weighfeeder
|What is a flow meter?
|if we open the inlet of an air regulator ,how it will affect
the out put of regulator? (out put of regulator is using to
operate an on-off valve.it is an air to open valve,and valve
is in open position.my doubt is air regulator will hold the
valve in open or not,if there is no consumption or leak in
regulator out put side ,we only loose the input pressure.)
|WHAT IS A SYMPTOM OF FAULT WITH THE SPAN OF AN INSTRUMENT?
1)ZERO-POINT AND 100% ARE CORRECT BUT NOT A MID-RANGE.
2)ZERO-POINT IS CORRECT ,BUT 1005 INPUT IS NOT GIVING 100%
4)1005 O/p IS CORRECT BUT ZEO POINT IS WRONG.
|if change the pid in D value so what action.
|How much should be the values and/or percentages of these
given below factors for a good controller ?
Steady state error
Oscillations & vibrations
|what is cavitation ?
|If the on Of the DO module is off in the System cabinet,
then what is the Procedure to check weather the Module is
working or not.
|Basics Instrumentation Question
|What is the load line in control valve?
|In control valve , Failure position : Close
If it is Fail close(FC) during failure of AIR.. what will be the initial/ normal position of control valve is it normally open or close? please some one explain soon..
|If we increase PI controller what will be action.
|For more Instrumentation Interview Questions Click Here |