Primary and secondary circuits are being discussed. Technician A says that the primary circuit includes the components that carry high-voltage current. Technician B says that the primary circuit uses small conventional wires. Who is right?

What does an ignition system use to change battery voltage into high secondary voltage?

Technician A says that no coil wire is needed with an ignition coil pack. Technician B says that an eight-cylinder engine equipped with a coil pack system uses two ignition coil packs. Who is right?

A direct ignition system uses:

Which of the following is the measurement of a fuel’s ability to resist knock?

A chemically correct air-fuel ratio is called a:

Each of these is a form or result of abnormal combustion EXCEPT:

An electric fuel pump will usually produce:

Which of the following can be used to block current flow to an electric fuel pump after a severe collision?

Fuel filters are located:

Which of the following are used to stop contaminants from entering parts that could be damaged by foreign matter?

Gasoline injection systems feed fuel into an engine using: suction. vacuum. pressure. All of the above.

The injection system that sprays high-pressure fuel into the engine’s combustion chambers is:

Technician A says tire markings on the sidewall of a tire give information about a tire’s load-carrying ability. Technician B says tire markings on the sidewall of a tire provide the tire’s speed rating. Who is right?

Tire pressure monitoring systems (TPMS) are being discussed. Technician A says a TPMS is installed only in commercially used vans and trucks in the United States. Technician B says some TPMS give the air pressure reading for each tire on the dash display. Who is right?

All of the following are functions of an automotive suspension system EXCEPT:

Technician A says an automotive suspension system works with the steering system to help keep the wheels in correct alignment. Technician B says an automotive suspension system works independently of the steering system and has no effect on wheel alignment. Who is right?

All of the following are basic components of an automotive suspension system EXCEPT:

Technician A says an independent suspension system has both the right and left wheels attached to the same solid axle. Technician B says a nonindependent suspension system has both the right and left wheels attached to the same solid axle. Who is right?

Technician A says a ball joint in an automotive suspension system allows control arm and steering knuckle movement. Technician B says a nut is used on the end of a ball joint stud to increase the space between the control arm and steering knuckle for better steering response. Who is right?

Technician A says a sway bar in an automotive suspension system decreases body squat when a vehicle is accelerating or braking. Technician B says a jounce bumper prevents side-to-side axle movement in a rear suspension system. Who is right?

Technician A says in a long-short arm suspension, the upper control arms are longer than the lower control arms. Technician B says a multi-link suspension uses one lateral link per wheel to reduce the complexity of the suspension system. Who is right?

Suspension leveling systems are being discussed. Technician A says in an electronic height leveling system, the rear suspension is lowered further when carrying a heavy load to improve vehicle aerodynamics. Technician B says height sensors provide data to the suspension control module that limits the vehicle’s speed when heavily loaded. Who is right?

Electronic and active suspension systems are being discussed. Technician A says the vehicle’s steering angle sensor, brake sensor, and acceleration sensor are components in the electronic suspension system. Technician B says a fully active suspension system is referred to as an intelligent suspension system. Who is right?

All the following are typical automotive suspension system problems EXCEPT:

A vehicle’s body bounces five times after a shock absorber bounce test is performed. Technician A says this indicates that the shock absorbers are in good condition. Technician B says the results of this test indicate bad shock absorbers. Who is right?

A full-size pickup truck’s coil springs are being replaced. During this procedure, Technician A unbolts the ball joint on the control arm before compressing the coil spring. Technician B says that a new larger coil spring that fits outside of the spring seats can be safely installed to improve vehicle ride quality. Who is right?

Technician A says leaf spring service often involves spring assembly or bushing replacement. Technician B says leaf springs are used in many late-model pickup trucks because they cannot break. Who is right?

Technician A says one of the functions of an automotive steering system is to transmit road feel to the driver’s hands. Technician B says one of the functions of a steering system is to prevent excessive vehicle body squat. Who is right?

All of the following are basic components of a linkage steering system EXCEPT:

Technician A says a tilt steering column (manual or power) is only installed in automakers’ luxury models due to its relatively expensive cost to manufacture. Technician B says some power tilt steering wheels have a tilt electronic control module capable of memorizing and engaging multiple steering wheel positions. Who is right?

Technician A says a pitman arm is a component of a parallelogram steering linkage. Technician B says a center link in a parallelogram steering linkage forms a mechanical connection to the vehicle’s suspension system and engine. Who is right?

Technician A says correct wheel alignment can improve an automobile’s handling ability. Technician B says correct wheel alignment can improve an automobile’s fuel economy. Who is right?

Technician A says one of the main functions of wheel alignment is to make the tires roll without slipping under all operating conditions. Technician B says one of the main functions of wheel alignment is to adjust for badly worn steering parts. Who is right?