Free practice test

Septic Tank Technician Practice Test

Check what you know about the septic tank technician 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 septic tank technician 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 15Why should you never enter a septic tank?
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Answer: Toxic gases and low oxygen. Tanks can contain deadly gases.

Question 2 of 15Baffles keep:
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Answer: Solids in the tank. Baffles hold back solids.

Question 3 of 15A hydro jetter uses:
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Answer: High-pressure water. Jetters scour pipes with water.

Question 4 of 15Septage must be:
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Answer: Disposed at approved facilities. Disposal is regulated.

Question 5 of 15Which gas is a major sewer hazard?
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Answer: Hydrogen sulfide. Hydrogen sulfide is toxic.

Question 6 of 15Which term matches this definition: “A machine that cleans pipes with high-pressure water.”
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Answer: Hydro jetter. Hydro jetter: A machine that cleans pipes with high-pressure water.

Question 7 of 15What does “Drain field” mean?
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Answer: The area where treated effluent soaks into soil.. Drain field: The area where treated effluent soaks into soil.

Question 8 of 15Which term matches this definition: “An access point for clearing pipes.”
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Answer: Clean-out. Clean-out: An access point for clearing pipes.

Question 9 of 15What does “Root intrusion” mean?
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Answer: Roots growing into sewer pipes.. Root intrusion: Roots growing into sewer pipes.

Question 10 of 15Which term matches this definition: “A pipe that brings tank access to the surface.”
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Answer: Riser. Riser: A pipe that brings tank access to the surface.

Question 11 of 15What does “Baffle” mean?
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Answer: A barrier that keeps solids in the tank.. Baffle: A barrier that keeps solids in the tank.

Question 12 of 15Which term matches this definition: “The material pumped from a septic tank.”
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Answer: Septage. Septage: The material pumped from a septic tank.

Question 13 of 15What does “Manifest” mean?
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Answer: A record of septage transported and disposed.. Manifest: A record of septage transported and disposed.

Question 14 of 15Which term matches this definition: “Fats and oils that float on top.”
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Answer: Scum. Scum: Fats and oils that float on top.

Question 15 of 15What does “Distribution box” mean?
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Answer: A box that spreads effluent to drain field lines.. Distribution box: A box that spreads effluent to drain field lines.

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