Instrumentation Interview Questions
Questions Answers Views Company eMail

How to Calibrate Level Troll in field

861

How to Calibrate Interface Level Troll in field

870

How to Calibrate Flammable gas detector in field

792

How to Calibrate Coriolis Flow transmitter in field

859

How to Calibrate Level Switch in field

874

How to Calibrate Temperature Switch in field

884

How to Calibrate Flow Switch in field

852

How to Calibrate Vibration Probe (Axial, Redial) in field

792

How do you identify between actual alarm and false alarm in a Temperature Transmitter in SCADA based Control System

823

Draw a group of instruments interlocked to a Pump & Motor?

793

Yokogawa CENTUMVP R6.09 unable to download to Engineering Station with ExaOPC R3.75 The issue is when I try to download the common project section to the Engineering Station (STN) from the HIS in System View, it is unable to connect. The error displayed is: WARNING: Could not connect to equalize destination. (7001) Retrying. Number of retries = 0/1 ERROR: LdXopsLoadMain: connect error 10060 ERROR: Processing terminated due to connection error. (7002) Equalization end with errors. STN0149 ---- ERROR = 2 WARNING = 1 ---- Background: >Updated the ExaOPC software on the STN from 3.60 to 3.75 >STN operating system is Windows Server 2008 R2 >HIS operating system is Windows Server 2016 Stanard Solutions attempted include: >Ensuring all IP addresses are correct and all networked devices can be pinged. >The ability to ping a device using its host name from another device ( from HIS) >Ensure both devices firewalls are disabled. >The antivirus installed on the STN is disabled. >Ensuring both devices are within the same workgroup. >Added both devices to each other's Host and LMHost files. >Running IT Security tool after changing any administrative settings.

1806

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.

2102

how will you segregate the alarm levels in alarm management system during factory Acceptance Test

2016

Why not come out analog output in ABB EL3020 when display show correct value

1543


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Un-Answered Questions { Instrumentation }

please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?

1807


in sulfur process what is material of impulse line we use to connect with transmitter ? and does teflon affected by sulfur?

1903


In turbine, what does term CDP, NI, NH, HSSOC, means

2286


What is zone,loop/fire alarm system?

2165


hye SAM acn u send your e mail id, so that i can solve my query through e mail?

1909






Which are all the commonly used Bordon tubes in the pressure gauges. Do any one use ASTM A 312 tubes for this purpose?

1425


how to check earthing,what is minum ohms for proper earthing

1593


how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.

655


What is difference between Ionization heat and bimetallic heat

1244


How to interfacing microcontroller with a DC motor

1386


Working principle of magnetic flow meter ......and calibration procedure of e+h magnetic flowmeter...

1970


what is zero and span ?

1290


pls give me presant awerness quistion and answer in my emailid.

2432


which type of signal used in instrument?

8836


What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).

1776