Instrumentation Interview Questions
Questions Answers Views Company eMail

Define the terms Accuracy, precission, Spam, process tolerance while doing calibration of an instrument? Explaini with an example?

AquaTech,

1571

why using 4-20ma not using 0-20or why not using 1- 20ma???????

7 7322

Can I put my meter across an RTD to check it safely witout tripping the equipment when it is connected to an monitoring device eg.RTD module or IQ 1000

1 3359

WHERE I CAN GET THE TRAINING SMARTPLANT INTOOLS V7 IN INDIA

1617

difference between dcs & pld

2 4695

how we calculate error in percentage when instrument calibrat

1 3968

why we use 24 vdc in instruments mostly?

2 16518

what is maximum vaccume?

4 6134

How do Foundation Fieldbus works? how the Communication Carries out from Foundation field bus,Field Devices and Controller? Were it's Application in the Field? For Which Signals this is Used? PLease Find this answer for this Question Detaile wise because i want to clear the Concept Regarding Foundation Field Bus,if Possible please attach the link of Document with Contails Diagramatic So that more esier for me.

Honeywell,

3 10367

What are the advantages and benefits of using PLCs to automate a section of a plant?

2 3332

Explain the functions of the CPU of a PLC.

1 3887

Name and describe at least 4 status indicators, typically found on a PLC

2 4675

You wish to SINK all my digital inputs to a PLC digital input card. Would you common out the leads to a positive or a negative connection?

1 3454

If you SOURCE your outputs from a PLC, would you have to make the output HIGH, or LOW, in order to switch an output ON?

1 2762

WHY TEMPERATURE TRANSMITTER USED AS WE CAN CONTROL THROUGH THERMOCOUPLE/RTD

Samsung, Thermax,

5 9076


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Un-Answered Questions { Instrumentation }

what is the procedure of O2 sensor(ABB) calibration?

1713


What is solenoid valve? Where it is used?

614


How to Calibrate Radar Level Transmitter in Field

737


we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.

2161


hey any one got the papers of SAIL and HPCL plz do help me by posting them to my mail ID's naren07_87@yaho.co.in, surenarendra@gmail.com

1482






What is the principle of capacitance type level transmitter?

676


Whatis the reset ofset and control system in instrumentation

1585


while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status?

1715


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

1345


what is compensation? temprature & pressure

1575


what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .

4410


why I need valve guard and whats different between guard and positioner ??

882


Hi my friends Is any one who can assist me in knowing the typical interview questions for system engineer at General Electric pty Ltd

1642


How many ohms are required for proper earthing?

649


where i can get training in INTOOLS and PDMS in Delhi-NCR OR north part of India. please reply with ur ans. at arunsamkaria@ymail.com

3081