Practice Test GeeksAPT - Army Personnel Testing Practice Test
← All APT Flashcard Decks

APT Military Knowledge and General Science Flashcards

6 cards from real APT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 APT Military Knowledge and General Science flashcards as text

  1. The US Army is a branch of which executive department?

    Answer: Department of Defense

    The US Army operates under the Department of Defense (DoD), along with the other military branches.

  2. What does 'MOS' stand for in Army terminology?

    Answer: Military Occupational Specialty

    MOS stands for Military Occupational Specialty, which is the job classification system used by the Army.

  3. Which gas makes up the largest percentage of Earth's atmosphere?

    Answer: Nitrogen

    Nitrogen makes up approximately 78% of Earth's atmosphere, making it the most abundant gas.

  4. What is the speed of light in a vacuum?

    Answer: 186,000 miles per second

    Light travels at approximately 186,000 miles per second (about 300,000 kilometers per second) in a vacuum.

  5. What does 'SITREP' stand for in Army communications?

    Answer: Situation Report

    SITREP stands for Situation Report, a standardized military report that summarizes the current status of a unit.

  6. Which layer of the atmosphere is closest to Earth's surface?

    Answer: Troposphere

    The troposphere is the lowest layer of Earth's atmosphere, where weather occurs and most air is found.

How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. ng.ms.gov — Test delivery, eligibility, retake policy · verified Oct 2026
  2. home.army.mil — Test delivery · verified Oct 2026