<P> The Armed Services Vocational Aptitude Battery (ASVAB) is a multiple choice test, administered by the United States Military Entrance Processing Command, used to determine qualification for enlistment in the United States Armed Forces . It is often offered to American high school students when they are in the 10th, 11th and 12th grade, though anyone eligible for enlistment may take it . </P> <P> The ASVAB was first introduced in 1968 and was adopted by all branches of the military in 1976 . It underwent a major revision in 2002 . In 2004, the test's percentile rank scoring system was renormalized, to ensure that a score of 50% really did represent doing better than exactly 50% of the test takers . </P> <P> The ASVAB currently contains 9 sections (except the written test, which contains 8 sections). The duration of each test varies from as low as ten minutes up to 36 minutes for Arithmetic Reasoning; the entire ASVAB is three hours long . The test is typically administered in a computerized format at Military Entrance Processing Stations, known as MEPS, or at a satellite location called a Military Entrance Test (MET) site . The ASVAB is administered by computer at the MEPS, while a written version is given at most MET sites . Testing procedures vary depending on the mode of administration . </P> <Ul> <Li> General Science (GS)--16 questions in 8 minutes </Li> <Li> Arithmetic Reasoning (AR)--16 questions in 39 minutes </Li> <Li> Word Knowledge (WK)--16 questions in 8 minutes </Li> <Li> Paragraph Comprehension (PC)--11 questions in 22 minutes </Li> <Li> Mathematics Knowledge (MK)--16 questions in 20 minutes </Li> <Li> Electronics Information (EI)--16 questions in 8 minutes </Li> <Li> Automotive and Shop Information (AS)--11 questions in 7 minutes </Li> <Li> Mechanical Comprehension (MC)--16 questions in 20 minutes </Li> <Li> Assembling Objects (AO)--30 questions in 40 minutes </Li> <Li> Verbal Expression (VE) = (WK) + (PC) </Li> </Ul>

How many parts are in the asvab test
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