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,

2046

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

7 8715

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 4091

WHERE I CAN GET THE TRAINING SMARTPLANT INTOOLS V7 IN INDIA

2001

difference between dcs & pld

2 5514

how we calculate error in percentage when instrument calibrat

1 4597

why we use 24 vdc in instruments mostly?

2 17958

what is maximum vaccume?

4 7333

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 11689

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

2 4290

Explain the functions of the CPU of a PLC.

1 4524

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

2 5625

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 4084

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 3364

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

Samsung, Thermax,

5 10530

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Un-Answered Questions { Instrumentation }

Explain the difference between mmwc and mmwg?

5568

What is sensitivity in vibration probes..?

1568

where proximity sensor installed on tank in loading arm application

2206

Somebody tell me in what way i need to prepare for csio pgrpe(adv instrum eng)interview?what all the quest can i expect?

2524

How hart protocol can be connected with control valves?

985

Explain the working of an electronic level troll.

1014

what is interface level and how it is calibrate?

2289

We are using Rosemount 5400 series Radar Level Transmitters in all types of Sump Applications having oily water hdrocarbon petrochemical nature. What we are facing the problem frequently is that always getting reading frezzed at some value. If we do power recycling , sometimes it is working . then making same freezing problem. If anybody faced before such type of problem and also having solution , Please give the answer.

2286

How to Calibrate Radar Level Transmitter in Field

1184

what is exact time to study dcs and plc cources

1986

Why flow/pressure transmitter before control valve?

1512

What is 3 selection available when configure the burnout protection for controller

2642

find the kp ki kd from the transper function G(S)=29.44s+04707/1.5349s2+s

1878

What is the use of temperature compensation?

1937

What is difference between ESD and PLC please Explain me clearly.

4825

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