ASVAB Automotive Information Test

Question 1

Which system is required to start an automobile?

Accepted Answer

Electrical

Answer

The electrical system is crucial for starting an automobile as it powers the starter motor, which cranks the engine. It also provides the necessary spark from the ignition system to ignite the fuel-air mixture in the cylinders. Without these electrical components, the engine cannot begin its combustion cycle.

Question 2

Which of the following is NOT part of an internal combustion engine?

Accepted Answer

clutch

Answer

Piston rings, connecting rods, and cylinder heads are all integral components found within the internal combustion engine, directly involved in the combustion and power generation process. A clutch, however, is part of the drivetrain system, specifically linking the engine to the transmission, and is not located inside the engine block itself.

Question 3

In a four-stroke engine, which of the following is NOT one of the four strokes?

Accepted Answer

Out-take

Answer

The four standard strokes of a four-stroke internal combustion engine are Intake, Compression, Power (or Combustion), and Exhaust. 'Out-take' is not a recognized term for any of these fundamental phases of engine operation.

Question 4

In the diagram above, what is the location of the fuel pressure regulator?

Accepted Answer

C

Answer

A fuel pressure regulator is typically located in the fuel line, often near the fuel rail or return line, to maintain a consistent fuel pressure for the injectors. Without the accompanying diagram, it is assumed that 'C' correctly identifies the position of this component within the fuel system.

Question 5

Which part of the fuel system sprays a fuel and air mixture into the engine's combustion chamber?

Accepted Answer

fuel injector

Answer

The fuel injector is specifically designed to atomize and spray a precise amount of fuel into the engine's intake manifold or directly into the combustion chamber. This fine mist of fuel mixes with air, creating the combustible mixture necessary for engine operation.

ASVAB - Armed Services Vocational Aptitude Battery Practice Test

ASVAB - Armed Services Vocational Aptitude Battery Practice Test

ASVAB Automotive Information Test