ASVAB PRACTICE TEST B

Part 7: Automotive and Shop Information (AS)

11 Minutes 25 Questions

  3. Directions: In this section, you will be tested on your knowledge of automotive and shop basics. For each question, select the best answer and mark the corresponding oval on your answer sheet.

  4. What is detonation?

    1. when an air-fuel mixture explodes, rather than burns
    2. if combustion is started by something other than electricity at the spark plug
    3. rapid, thorough burning of a compressed air-fuel mixture, initiated by a spark from the engine’s ignition system
    4. slow burning of an air-fuel mixture

  5. The ignition _________ coil generates the high voltage for the spark plugs.

    1. primary
    2. preliminary
    3. secondary
    4. tertiary

  6. Engine coolant is normally made up of a ______ mix of antifreeze and water.

    1. 60/40
    2. 75/25
    3. 50/50
    4. 25/75

  7. A socket can be used with which tool?

    1. a ratchet only
    2. an impact wrench only
    3. either a ratchet or an impact wrench
    4. none of the above

  8. An automotive technician who wants to measure the width of an object might use any of the following tools EXCEPT

    1. an outside micrometer
    2. a tape measure
    3. a steel rule
    4. a Crescent wrench

  9. This image depicts what stroke in the four-stroke cycle?

    pg481
    1. intake stroke
    2. exhaust stroke
    3. power stroke
    4. compression stroke

  10. A fuel injector sprays fuel into the intake air stream as it receives electrical signals from the

    1. fuel rail
    2. intake manifold
    3. fuel pressure regulator
    4. powertrain control module

  11. A general purpose claw hammer would have a ______ oz head.

    1. 7
    2. 13
    3. 40
    4. 212

  12. What would this tool be used to do?

    pg481-1
    1. stop a rotating motor
    2. start a hole for drilling
    3. fasten two pieces of metal
    4. stabilize a car jack

  13. Spark plugs are threaded into the

    1. battery
    2. distributor
    3. cylinder head
    4. coil wire

  14. Automatic transmissions use __________ to create speed ratios and transmit torque.

    1. planetary gear sets
    2. idler gears
    3. spur gears
    4. countershaft gears

  15. The brake system is __________ operated.

    1. hydraulically
    2. cable
    3. electrically
    4. wire

  16. Which of the following saws is designed to cut metal?

    1. pg482-1
    2. pg482-2
    3. pg482-3
    4. pg482-4

  17. MIG welding is also known as

    1. Russian welding
    2. coaxle welding
    3. electric-bit welding
    4. wire-feed welding

  18. What is the name for the tool below?

    pg482-5
    1. carpenter’s level
    2. machinist’s level
    3. line level
    4. striding level

  19. Contact points would be found in __________ ignition systems.

    1. coil-on-plug
    2. distributor-less
    3. electronic
    4. none of the above

  20. To remove a small sliver of wood in order to create a better fit, use

    1. a plane
    2. a flat file
    3. needle-nosed pliers
    4. Johnson bars

  21. The _____________ connects the steering box to the steering linkage.

    1. center link
    2. idler arm
    3. tie rod end
    4. pitman arm

  22. The catalytic converter is part of the vehicle’s ___________ system.

    1. fuel intake
    2. braking
    3. emission control
    4. steering

  23. Which of the following additions often increases the versatility of slip-joint pliers?

    1. ratchet head
    2. extension capability
    3. wire cutter
    4. variable speeds

  24. Advancing the ignition timing means that the spark takes place ___________ in the combustion cycle.

    1. earlier
    2. later
    3. at the same time
    4. none of the above

  25. Which of the following hammers is used for forming soft metal?

    1. pg483-1
    2. pg483-2
    3. pg483-3
    4. pg483-4

  26. Long-short arm suspensions involve all of the following EXCEPT

    1. ball joints
    2. upper control arms
    3. lower control arms
    4. torque converters

  27. To cut off a bolt head, you would most likely use which of the following?

    1. miter box
    2. pin punch
    3. coping saw
    4. cold chisel

  28. A loss of compression in an engine cylinder can be caused by all of the following, EXCEPT

    1. worn engine bearings
    2. worn piston rings/cylinder wall
    3. burned valves
    4. blown head gasket