Which of the following is NOT a listed type of oil pump?

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Prepare for the Aircrewman Mechanical Test 3 with focused study materials. Utilize flashcards and multiple-choice questions, complete with detailed explanations to ace your exam.

Multiple Choice

Which of the following is NOT a listed type of oil pump?

Explanation:
Oil pump designs for aircraft engines are described by how they move and trap oil: gear-type pumps use two intermeshing gears, the gerotor design uses an inner rotor with lobes that engage an outer rotor, and piston-type pumps push oil with a sliding piston in a cylinder. These three categories are the standard classifications you'll see in AWF materials. A rotary-type pump isn’t listed as a separate category in that typical taxonomy, so that option isn’t considered a listed type. In other words, the question hinges on recognizing the standard classifications, and rotary-type doesn’t appear as one of them.

Oil pump designs for aircraft engines are described by how they move and trap oil: gear-type pumps use two intermeshing gears, the gerotor design uses an inner rotor with lobes that engage an outer rotor, and piston-type pumps push oil with a sliding piston in a cylinder. These three categories are the standard classifications you'll see in AWF materials. A rotary-type pump isn’t listed as a separate category in that typical taxonomy, so that option isn’t considered a listed type. In other words, the question hinges on recognizing the standard classifications, and rotary-type doesn’t appear as one of them.

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