10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
These 10 free TSA CBT questions are organized by exam domain, so you can see how each part of the TSA Computer-Based Test blueprint is tested. Reveal the answer and explanation under each question.
On a dual-energy X-ray screening system, a paperback book, a bag of trail mix, and a folded cotton shirt would all most likely appear in which color family?
Correct answer: A - Orange, because all three are organic materials
A trainee notices that many explosive materials appear orange on a dual-energy X-ray image, placing them in the same color family as food, paper, and clothing. What is the correct conclusion to draw?
Correct answer: D - Color alone cannot identify a threat; shape, density, and context matter too
An officer identifies a prohibited item in the first corner of a bag image, clears the bag, and moves on without completing the full scan pattern. This failure is best described as:
Correct answer: B - Satisfaction of search
An officer views a cluttered bag in which a dense metallic object appears to lie directly over a second item, blending their colors and obscuring both outlines. The most appropriate response is to:
Correct answer: B - Change the viewing angle to separate the overlapping layers
A carry-on bag contains an 8-ounce lotion bottle that is only about one-third full, holding roughly 2.5 ounces of product. Under the 3-1-1 rule, this container is:
Correct answer: C - Prohibited, because the container's capacity exceeds 3.4 ounces
A passenger asks whether a spare lithium-ion power bank should be packed in the carry-on or the checked bag. The correct guidance is:
Correct answer: A - Carry-on only, because a battery fire must be accessible to the crew
A passenger presents a handgun at the checkpoint along with a valid state concealed-carry permit. Under federal rules, the firearm is:
Correct answer: C - Prohibited; a concealed-carry permit confers no checkpoint authority
Advanced Imaging Technology (AIT) units used to screen passengers at TSA checkpoints operate using:
Correct answer: D - Millimeter wave technology, which does not use ionizing radiation
The Transportation Security Administration was transferred into the Department of Homeland Security as a result of:
Correct answer: B - The Homeland Security Act of 2002
Explosive Trace Detection (ETD) swab testing at a checkpoint is designed primarily to detect:
Correct answer: A - Microscopic residue indicating contact with an explosive compound
The full bank has 1,020 more TSA CBT questions with explanations.
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