Free practice test

Chemical Plant Operator Practice Test

Check what you know about the chemical plant operator job with 15 free questions and instant explanations.

Updated By the Career Education Institute Curriculum Team
About this practice test

15 multiple-choice questions on chemical plant operator knowledge, safety and vocabulary. Submit to see your score and explanations, or open any question’s answer as you go. Nothing is saved or shared.

Question 1 of 15An exothermic reaction:
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Answer: Releases heat. It gives off heat.

Question 2 of 15Interlocks should be:
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Answer: Never bypassed. They prevent incidents.

Question 3 of 15Flush a sample line to:
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Answer: Get fresh material. Avoid stale samples.

Question 4 of 15Inerting uses:
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Answer: Nitrogen to prevent fires. It removes oxygen.

Question 5 of 15A runaway reaction is:
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Answer: Uncontrolled. It’s dangerous.

Question 6 of 15Which term matches this definition: “Adding materials to a vessel.”
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Answer: Charge. Charge: Adding materials to a vessel.

Question 7 of 15What does “Batch” mean?
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Answer: A set amount of product made at once.. Batch: A set amount of product made at once.

Question 8 of 15Which term matches this definition: “Protects vessels from overpressure.”
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Answer: Relief system. Relief system: Protects vessels from overpressure.

Question 9 of 15What does “Interlock” mean?
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Answer: An automatic safety control.. Interlock: An automatic safety control.

Question 10 of 15Which term matches this definition: “A space with limited entry and exit.”
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Answer: Confined space. Confined space: A space with limited entry and exit.

Question 11 of 15What does “Runaway reaction” mean?
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Answer: An uncontrolled reaction.. Runaway reaction: An uncontrolled reaction.

Question 12 of 15Which term matches this definition: “Lockout/tagout.”
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Answer: LOTO. LOTO: Lockout/tagout.

Question 13 of 15What does “Reactor” mean?
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Answer: A vessel where reactions happen.. Reactor: A vessel where reactions happen.

Question 14 of 15Which term matches this definition: “Nonstop production.”
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Answer: Continuous process. Continuous process: Nonstop production.

Question 15 of 15What does “PSM” mean?
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Answer: Process safety management.. PSM: Process safety management.

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