APT APT Military Knowledge and General Science 2 — Questions and Answers
Question 1: The US Army is a branch of which executive department?
- Department of Homeland Security
- Department of Defense (Correct answer)
- Department of State
- Department of Justice
Correct answer: Department of Defense
The US Army operates under the Department of Defense (DoD), along with the other military branches.
Question 2: What does 'MOS' stand for in Army terminology?
- Military Operations Support
- Mission Objective Statement
- Military Occupational Specialty (Correct answer)
- Maneuver Operations Section
Correct answer: Military Occupational Specialty
MOS stands for Military Occupational Specialty, which is the job classification system used by the Army.
Question 3: Which gas makes up the largest percentage of Earth's atmosphere?
- Oxygen
- Carbon dioxide
- Nitrogen (Correct answer)
- Argon
Correct answer: Nitrogen
Nitrogen makes up approximately 78% of Earth's atmosphere, making it the most abundant gas.
Question 4: What is the speed of light in a vacuum?
- 186,000 miles per hour
- 186,000 miles per second (Correct answer)
- 300,000 miles per hour
- 300,000 feet per second
Correct answer: 186,000 miles per second
Light travels at approximately 186,000 miles per second (about 300,000 kilometers per second) in a vacuum.
Question 5: What does 'SITREP' stand for in Army communications?
- Site Report
- Situation Report (Correct answer)
- Security Intelligence Report
- Strategic Integration Report
Correct answer: Situation Report
SITREP stands for Situation Report, a standardized military report that summarizes the current status of a unit.
Question 6: Which layer of the atmosphere is closest to Earth's surface?
- Stratosphere
- Mesosphere
- Thermosphere
- Troposphere (Correct answer)
Correct answer: Troposphere
The troposphere is the lowest layer of Earth's atmosphere, where weather occurs and most air is found.
APT APT Military Knowledge and General Science 2
The US Army is a branch of which executive department?