Answer / sanjeev baghel

yes we chek the encoder by the help of oscilliscope .

how to define the P,I,D value in tuning pid loops in online.

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what is diffrance between FF & SMART, explain with difination

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why temperature transmitter is showing ambienttemp.but 21.5ma. alarm AO showing at the display &how to sloves this problem.

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what is Potential free contact? where it is used?

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how will you check torque value during Factory acceptance Test for control valve/ESD ON/OFF VALE how will you confirm this torque value is being correct, Which document will you be refer.

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Emergency Shutdown Systems/ Plant Shutdown System.

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what is the approximate cost of U tube manometer having range 1000mmwc to 1000mmwc?

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what is plc? Basic function of plc? application of plc in industry? What is lader diagram ? What is the main advantage to use plc in industry?

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what is mean by loop checking?

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What is the difference in clamp on type and inline type ultrasonic flow transmitter.

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Why we use 4 to 20 mA, (This is International Standard) instaed of this can we use 4-16, or 4-24 or 3- 15 or any other range

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in which mode of the zener diode act when load voltage is approximately constant

1 Answers  

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