ASVAB - Mechanical Comprehension (MC)

To become a successful military person, one needs to have thorough knowledge of the mechanics of various objects like cars, pulleys, levers etc. Although, these do not form a part of your high school curriculum, they are an extension of Physics and Chemistry. The Mechanical Comprehension (MC) questions of the ASVAB evaluate your knowledge and interest in the workings of objects and the principles behind them.


  • If you will take the computer-based version of the ASVAB, you will find 16 questions here that you need to answer in 20 minutes.
  • If you will take the pen and paper version, then you will find 25 questions that you have to answer in 19 minutes.
  • You need to make sure that you are fast in answering these questions because you will not be given any extra time if you are unable to complete this subtest.

ExamFocus' Practice Support

The information mentioned above provides an insight into the nature of the sub-test. However, if you want to ace the examination, you must know the topics covered under the Mechanical Comprehension (MC) sub-test. Ensure that you have practiced this section well before you decide to take the test. A perfect score can be achieved only if you practice and prepare well. Use ExamFocus' sample practice questions to get your skills sharpened.

Testing & Scoring Scheme

  • Mechanical Comprehension (MC) is an essential skill that you must develop if you are keen to work on the field. Otherwise if you want to join the maintenance section of the military, the knowledge of machines becomes mandatory.
  • The sub-test's score shall account for the Mechanical Aptitude Score.
  • If you get a low score, you may not be able to qualify to join the U.S Armed Forces.