Your Auto and Shop Information subtest score is used to gauge your knowledge of automobile technology and determine your eligibility for specific military occupation. What’s more, it won’t be counted to your Armed Forces Qualification Test (AFQT) score which measures how your score compares to a reference group of test takers.

Our blog is published with an effective study guide to help you excel at ASVAB Auto and Shop Information Test. Let’s take this highly recommended study guide to find necessary information that you need to know for this section and boost your scores. Let’s take a gander at our ASVAB Auto And Shop Information Study Guide!


1. ASVAB Auto and Shop Information Test   


The CAT (Computer-Adaptive Test) – ASVAB Auto and Shop Information Test mainly comprises 2 discrepant parts. The first automotive material one consists of 11 questions which are completed within 7 minutes.  The second one – shop information part- includes 11 questions completed within 6 minutes. Meanwhile, in the P&P (Paper and Pencil) version, you are asked to answer 25 questions which are also divided into shop-related and auto-related questions in 11 minutes


2. The Test Questions 


The Auto and Shop Information (AI & SI) are the subtest of ASVAB involving a number of questions regarding basic repairs, automobile systems, functions or malfunctions, various common shop tools and fasteners along with their uses. To take insight into the AI&SI Questions, keep reading the following information. 


2.1. ASVAB Auto And Shop Questions


More specifically, here is some relevant knowledge we synthesize to help you prepare for this subtest. Let’s take a quick look! 

  • Engine components and functions
  • Distinctive engine types and sizes
  • How separate car parts work with each other and with the engine
  • How fuel come in the engine
  • How car’s electrical systems perform
  • How malfunctions in a car are identified and fixed
  • What are Various vehicle operating systems, including the transmission, electrical, brakes, steering, and ignition
  • How computers are used in single vehicles today
  • Auto shop procedures
  • Auto shop tools and their functions


2.2. Sample Questions


Let’s check some sample questions of Auto and Shop Information ASVAB that you could encounter on your test:

  • What is the primary function of a carburetor?
  • What function of the alternator is?
  • What is another name for a pipe wrench?
  • What kind of bolt has a square section that grips into the part being fixed (typically wood) to protect the bolt from turning if  the nut is tightened?
  • Which automotive system uses universal joints, a drive shaft, and a clutch?
  • If an internal combustion engine where the cylinders are aligned in two banks, which are at an angle to each other, what is it called? 

Read more >> ASVAB Assembling Objects Study Guide


3. ASVAB Auto and Shop Information Study Guide


Like almost specific sections of the ASVAB test, the Auto and Shop Information subtest also requires plenty of knowledge and experience in this field. However, in case you don’t have much time for preparation, let’s take a look at some useful learning instructions we share with you below: 


3.1. Learn more about Engines


From the aforementioned testing problems, you need to learn more about basic engine components and how they work – from small engines to big ones like car or truck engines and so on. For example, you need to discern how a typical engine functions from the fuel mixture it burns to the way the fuel enters the engine or to how the engine utilizes that fuel to produce motion and more. 

ASVAB Auto and Shop Information tips
Learn more about basic engine components and how they work!

Additionally, you should be familiar with how the engine will react to malfunctioning equipment, such as a fuel injector or thermostat, and comprehend the separate engine types and sizes, as well as their maintenance and repair. 


3.2. Get to know Operating System


Apart from the engine, the operating system of a vehicle covers all aspects of a vehicle such as the transmission, electrical system, brakes, steering, and ignition. Hence, you need to arm yourself with basics of these systems so as to get well-prepared for the test. More specifically, take time to learn how to identify problems with any given system and its different components and functions. Furthermore, the purpose of a transmission, the importance of accurate steering and brakes in a vehicle, and the potential dangers present in the electrical systems of vehicles also need to be paid more attention

Moreover, computers are electronic devices that have the most important role to play so you will need to have an in-depth understanding of how it is utilized in various car systems. More specifically, this is concerned with knowing different codes displayed by vehicle computer systems and how to respond to these codes.


3.3. Know about Shop Tools and Procedures


As you know, all workers are asked to excel at identifying and using numerous shop tools and types of equipment. To succeed at this portion of the test, you not only identify basic types of tools but also more specific or specialized tools. Moreover, you should familiarize yourself with the larger tools and equipment used in automotive shops such as lifts used to suspend cars during work, or as small as a heavy-duty drill designed to remove high-pressure bolts.

Additionally, you must study how to pinpoint the proper procedures used in shops such as safety tips and tricks or the operation of heavy machinery. Also, don’t forget to focus on different machines, including how they are used, what purpose they serve, and the proper safety procedures.


3.4. Take elimination technique and guesswork 


First and foremost, Let’s focus on the questions that feel familiar and simple to you before coming back around to more difficult questions. Unless you have the applicable knowledge and experience, trying out and using common sense will be your optimal choices, which help you eliminate some possibly incorrect answers. Keep in mind that you should not leave any question blank so let’s make guesswork in case you don’t know how to answer. 


3.5. Keep track of time 


Auto and Shop Information is a time-limited test and spending too much time on any one question can lead to a negative effect on your performance. Thus, when you come into a difficult question, you should skip it and give more thought so as to deal with it later on if you have enough time. 


asvab auto and shop study tips
Stay on track of time!

3.6. Review your answer 


You will take a chance to return to the questions at the end of the test, therefore, double check to review your answers, which you are not sure about. 

Read more >>ASVAB Arithmetic Reasoning Study Guide


4. Preparation for ASVAB Auto and Shop Information


To enhance your knowledge and confidence when you take the test, we propose some effective approaches that you can use. Let’s give it a try!

  • Attend a course at your local college
  • Learn auto and shop experience from someone
  • Read relevant books and search for necessary information on the Internet
  • Read your car’s automobile manual
  • Take as many practice tests as possible.


In a nutshell, we hope that our ASVAB Auto and Shop Information Study Guide will help you study adequately for the desirable scores. Take the FREE ASVAB AS Practice Test to be familiar with the test format!