# Interview Questions - Instrumentation designer / instrumentation draftsman

**URL:** <https://forumautomation.com/t/interview-questions-instrumentation-designer-instrumentation-draftsman/664>\
**Category:** Instrumentation\
**Created:** [December 13, 2015, 7:15am UTC](https://forumautomation.com/t/interview-questions-instrumentation-designer-instrumentation-draftsman/664 "2015-12-13T07:15:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![denizen](https://forumautomation.com/letter_avatar_proxy/v4/letter/d/848f3c/32.png) [@denizen](https://forumautomation.com/u/denizen)\
**Post date:** [December 13, 2015, 7:15am UTC](https://forumautomation.com/t/interview-questions-instrumentation-designer-instrumentation-draftsman/664/1 "2015-12-13T07:15:13Z")

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These are the common interview question for instrumentation designer / draftsman

1. Describe a process flow diagram and a process and instrument drawing.
2. Draw the symbols for a gate, globe, and automatic valve.
3. Draw the symbols for a centrifugal pump and positive displacement pump.
4. Draw the symbols for a blower and a reciprocating compressor.
5. Draw the symbols for a steam turbine and centrifugal compressor.
6. Draw the symbols for a heat exchanger and a cooling tower.
7. Draw the symbols for a packed distillation column and plate distillation column.
8. Draw the symbols for a furnace and a boiler.
9. Draw a simple process flow diagram using the symbols from questions 2–8.
10. What information is obtained from a loop diagram?
11. What information is available on electrical one-line diagrams?
12. What information is contained on a plot plan drawing?