These are the common interview question for instrumentation designer / draftsman
- Describe a process flow diagram and a process and instrument drawing.
- Draw the symbols for a gate, globe, and automatic valve.
- Draw the symbols for a centrifugal pump and positive displacement pump.
- Draw the symbols for a blower and a reciprocating compressor.
- Draw the symbols for a steam turbine and centrifugal compressor.
- Draw the symbols for a heat exchanger and a cooling tower.
- Draw the symbols for a packed distillation column and plate distillation column.
- Draw the symbols for a furnace and a boiler.
- Draw a simple process flow diagram using the symbols from questions 2–8.
- What information is obtained from a loop diagram?
- What information is available on electrical one-line diagrams?
- What information is contained on a plot plan drawing?