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

Instrumentation Interview Questions

Questions Answers Views Company eMail

What is instrumentation control?

1158

Explain types of valves?

1055

Why plc require in analog input 4-20amp & 0-10 volt?

1137

What is the difference between mmwc and mmwg?

1375

Explain the difference between mmwc and mmwg?

5666

Explain why use mmwc unit?

1043

What are the types of valves?

1148

Where is wet leg is used?

1061

Explain the difference between differial pressure & delta pressure?

1 1620

Define cryogenic?

1165

Explain why plc require in analog input 4-20amp & 0-10 volt?

1095

Explain the difference between plc and cnc?

1068

Explain the key components of control loop?

1057

WHAT IS THE CAM POSITION IN CONTROL VALVE POSITIONER ? WHY IT IS USED?

993

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.

1044

Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

what is wave length were using ?

1897

Hook up resistance decade box to temp.transmitter.

2288

sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is ujjwal_sharma1983@yahoo.com

2321

Difference between 2-Valve Manifolds, 3-Valve Manifolds and 5-Valve Manifolds 3 with diagram

3111

Explain pH, Conductivity.

2158

For what reason would you possibly be compelled to make use of a Smith Predictor. Explain the idea behind the operation of this device.

1927

What is the difference between modbus,fieldbus & profibus

2423

how do u calibrate the vacuum transmitter if it shows more reading

2046

why we are using magnet for calibration of gas detector?

2251

what is the difference between scaler and vector drive

2179

how pressurize drum calibrated ?

2046

ORP sensor working principle?

2010

Give 2 application of quartz crystal used for process parameter measurement.

2014

PLEASE PROVIDE SAMPLES OF CHEVRON SKILL TESTS

3896

how u choose thermowell lenght n pnumatic C/v size?

2107

For More Un-Answered { Instrumentation } Questions Click Here