Instrument Engineer Interview Questions

979 instrument engineer interview questions shared by candidates

Very technical questions not impossible but you definitely need to be very techy. 1. Explain how to change pulse waveform using multiplication and division modulation? 2. What is cold solder? 3. Explain what type of wiring is needed for d sub connector? 4. Explain Magnetic Monopole?
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Instrumentation Tech Intern

Interviewed at Bombardier

3.8
May 28, 2014

Very technical questions not impossible but you definitely need to be very techy. 1. Explain how to change pulse waveform using multiplication and division modulation? 2. What is cold solder? 3. Explain what type of wiring is needed for d sub connector? 4. Explain Magnetic Monopole?

For the campus placement, they generally ask from the basic subject. For instrumentation it is Measurement in Industry (Pressure,Temp, Level, Flow), Basics of PLC and DCS, ect. Questions based on your academics projects and internship will be there. Also prepare for the extra curricular activities you have mentioned in resume.
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Maintenance Engineer - Instrumentation

Interviewed at Reliance Industries

3.8
Dec 16, 2025

For the campus placement, they generally ask from the basic subject. For instrumentation it is Measurement in Industry (Pressure,Temp, Level, Flow), Basics of PLC and DCS, ect. Questions based on your academics projects and internship will be there. Also prepare for the extra curricular activities you have mentioned in resume.

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