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

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,

2108

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

7 9037

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 4225

WHERE I CAN GET THE TRAINING SMARTPLANT INTOOLS V7 IN INDIA

2081

difference between dcs & pld

2 5645

how we calculate error in percentage when instrument calibrat

1 4721

why we use 24 vdc in instruments mostly?

2 18158

what is maximum vaccume?

4 7526

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 11868

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

2 4413

Explain the functions of the CPU of a PLC.

1 4615

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

2 5758

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 4196

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 3475

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

Samsung, Thermax,

5 10804

Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

what effects a surging can produce in the compressor

1923

How is automatic reference junction compensation carried out in temperature recorders?

1099

give me all the details about the interview and which type of question being asked

2227

what is o2 analyzer and how it measured ,what is the role of this analyzer in cfbc boiler...

2013

What is the difference between mmwc and mmwg?

1383

full process of gas turbin?

2105

in mass flow meter what is drive friquancy ?

2110

how we are selecting instuments by differentiating certain instruments in 4 to 20 ma range and certain in 1 to 5 v dc

2083

How INtools is useful for routine Instrument maintenance?

2092

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

2299

I have completed B.E. Instrumentation & control in 2009. i have 3 year industrial job experience in chemical plant.now, I want to join M.E. in external. so, Plese say easiet way and good institute name.

1902

NPN transistor, SCR, Zener diode, LED, Varactor diode, Vortex meter, RTD, Resistor, Crystal

2199

what is the imbustion control loop

1891

How hart protocol can be connected with control valves?

1065

how to design orifice plate?what is the equation?

2056

For More Un-Answered { Instrumentation } Questions Click Here