Instrumentation Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Instrumentation Interview Questions

Questions Answers Views Company eMail

How to Calibrate Level Troll in field

1397

How to Calibrate Interface Level Troll in field

1364

How to Calibrate Flammable gas detector in field

1211

How to Calibrate Coriolis Flow transmitter in field

1264

How to Calibrate Level Switch in field

1329

How to Calibrate Temperature Switch in field

1312

How to Calibrate Flow Switch in field

1252

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

1140

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

1364

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

1294

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.

2189

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.

2483

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

2384

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

1884

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Un-Answered Questions { Instrumentation }

What is three element in drum level?

1395

How to Calibrate Vortex Flow transmitter in field

1269

diff between neutral ,ground,phase , earthing and shielding?

2287

what are the steps I have to deal with?

2239

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

2268

how can leve transmetter calibate in feild .and also put cv and flow plz .....

2240

how is work pressure switch& level switch?what is the principle of this?

2646

Exothermic reaction./ endothermic reaction

2034

HOW CREATED LP & HP PRESURES IN DRUM FOR DRUM LEVEL MEASUREMENT!

1866

what step is taken for ESD ( emergency shut down) in DCS REPLY to hashimka20009@gmail.com

2322

what is the responsibility of an instrument commissioning supervisor

3155

A flange is used for instrument connection for a system with a design temperature of 316C (600F) and a design pressure of 1000 kPa (145 psi). What is the class rating of the flange to be used for this application? Explain your answer

2650

What is the Working principle of Dozing valve?

2201

What is Droop? What is Step/Gradient Limiter in Turbine Governor control?

3401

how many types of spped sensors n vibration sensors?their basic principle n connection?

2566

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