Free practice test

Crushing Machine Operator Practice Test

Check what you know about the crushing machine 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 crushing machine 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 15Gradation is:
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Answer: Particle size mix. Spec.

Question 2 of 15MSHA regulates:
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Answer: Mine safety. Agency.

Question 3 of 15Lock out before:
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Answer: Clearing jams. Safety.

Question 4 of 15Choke feed means:
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Answer: Full chamber. Operation.

Question 5 of 15A jaw crusher is:
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Answer: Primary. Stage.

Question 6 of 15Which term matches this definition: “Crushed stone or gravel.”
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Answer: Aggregate. Aggregate: Crushed stone or gravel.

Question 7 of 15What does “MSHA” mean?
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Answer: Mine Safety and Health Administration.. MSHA: Mine Safety and Health Administration.

Question 8 of 15Which term matches this definition: “Material input speed.”
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Answer: Feed rate. Feed rate: Material input speed.

Question 9 of 15What does “Ball mill” mean?
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Answer: Grinding mill with balls.. Ball mill: Grinding mill with balls.

Question 10 of 15Which term matches this definition: “Secondary crusher.”
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Answer: Cone crusher. Cone crusher: Secondary crusher.

Question 11 of 15What does “PPE” mean?
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Answer: Personal protective equipment.. PPE: Personal protective equipment.

Question 12 of 15Which term matches this definition: “Particle size mix.”
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Answer: Gradation. Gradation: Particle size mix.

Question 13 of 15What does “Liner” mean?
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Answer: Wear surface.. Liner: Wear surface.

Question 14 of 15Which term matches this definition: “Sorting screen.”
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Answer: Screen deck. Screen deck: Sorting screen.

Question 15 of 15What does “Choke feed” mean?
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Answer: Full crusher chamber.. Choke feed: Full crusher chamber.

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